Split Rock Lighthouse State Park
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Split Rock Lighthouse State Park is a
state park State parks are parks or other protected areas managed at the sub-national level within those nations which use "state" as a political subdivision. State parks are typically established by a state to preserve a location on account of its natural ...
of
Minnesota Minnesota () is a state in the upper midwestern region of the United States. It is the 12th largest U.S. state in area and the 22nd most populous, with over 5.75 million residents. Minnesota is home to western prairies, now given over to ...
on the North Shore of
Lake Superior Lake Superior in central North America is the largest freshwater lake in the world by surface areaThe Caspian Sea is the largest lake, but is saline, not freshwater. and the third-largest by volume, holding 10% of the world's surface fresh wa ...
. It is best known for the picturesque
Split Rock Lighthouse Split Rock Lighthouse is a lighthouse located southwest of Silver Bay, Minnesota, USA on the North Shore of Lake Superior. The structure was designed by lighthouse engineer Ralph Russell Tinkham and was completed in 1910 by the United States Ligh ...
, one of the most photographed
lighthouse A lighthouse is a tower, building, or other type of physical structure designed to emit light from a system of lamps and lenses and to serve as a beacon for navigational aid, for maritime pilots at sea or on inland waterways. Lighthouses mar ...
s in the United States. Built by the
United States Lighthouse Service The United States Lighthouse Service, also known as the Bureau of Lighthouses, was the agency of the United States Government and the general lighthouse authority for the United States from the time of its creation in 1910 as the successor of t ...
in 1910, the lighthouse and some adjacent buildings have been restored and the
Minnesota Historical Society The Minnesota Historical Society (MNHS) is a nonprofit educational and cultural institution dedicated to preserving the history of the U.S. state of Minnesota. It was founded by the territorial legislature in 1849, almost a decade before statehoo ...
operates them as a museum. The state park offers a unique cart-in campground and scenic trails for hiking, cross-country skiing, and bicycling.


Natural history


Geography

Split Rock Lighthouse State Park encompasses about of rocky shoreline on Lake Superior with several prominent headlands. Named features of the shore, from southwest to northeast, are the mouth of the Split Rock River, Split Rock Point, Crazy Bay, Corundum Point, the mouth of Split Rock Creek, Day Hill, Little Two Harbors, Stony Point (site of the lighthouse), and Gold Rock Point.State of Minnesota, Department of Natural Resources. ''Split Rock Lighthouse State Park''. September 2009.

/ref> The name Little Two Harbors comes from the division of the inlet by a small island, formerly a
tombolo A tombolo is a sandy or shingle isthmus. A tombolo, from the Italian ', meaning 'pillow' or 'cushion', and sometimes translated incorrectly as ''ayre'' (an ayre is a shingle beach of any kind), is a deposition landform by which an island become ...
, and refers to the city of Two Harbors farther down the shore. There are two shallow
sea cave A sea cave, also known as a littoral cave, is a type of cave formed primarily by the wave action of the sea. The primary process involved is erosion. Sea caves are found throughout the world, actively forming along present coastlines and as relic ...
s at the base of Stony Point. The east and west branches of the Split Rock River, not to be confused with Split Rock Creek, join in the park. There are ten waterfalls on the river, although because they can only be reached by a moderate hike on the Superior Hiking Trail and are not marked on park maps, they are lightly visited.


Geology

Much of the shore of Lake Superior is made of
basalt Basalt (; ) is an aphanite, aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the planetary surface, surface of a terrestrial ...
erupted from the
Midcontinent Rift System The Midcontinent Rift System (MRS) or Keweenawan Rift is a long geological rift in the center of the North American continent and south-central part of the North American plate. It formed when the continent's core, the North American craton, ...
when the middle of the
North American Plate The North American Plate is a tectonic plate covering most of North America, Cuba, the Bahamas, extreme northeastern Asia, and parts of Iceland and the Azores. With an area of , it is the Earth's second largest tectonic plate, behind the Pacific ...
began to crack 1.1 billion years ago. In a small tract that includes Split Rock Lighthouse State Park, additional magma
intruded Intrusive rock is formed when magma penetrates existing rock, crystallizes, and solidifies underground to form '' intrusions'', such as batholiths, dikes, sills, laccoliths, and volcanic necks.Intrusive RocksIntrusive rocks accessdate: March ...
into the basalt and cooled underground into a harder rock called
diabase Diabase (), also called dolerite () or microgabbro, is a mafic, holocrystalline, subvolcanic rock equivalent to volcanic basalt or plutonic gabbro. Diabase dikes and sills are typically shallow intrusive bodies and often exhibit fine-graine ...
. These flows also carried with them blocks of
anorthosite Anorthosite () is a phaneritic, intrusive igneous rock characterized by its composition: mostly plagioclase feldspar (90–100%), with a minimal mafic component (0–10%). Pyroxene, ilmenite, magnetite, and olivine are the mafic minerals most c ...
, an even harder rock from the base of the Earth's crust, which became interspersed randomly in the diabase. Three large blocks of anorthosite form Corundum Point, Day Hill, and Stony Point beneath the lighthouse. In the southwest portion of the park another eruption formed a layer of red
rhyolite Rhyolite ( ) is the most silica-rich of volcanic rocks. It is generally glassy or fine-grained (aphanitic) in texture, but may be porphyritic, containing larger mineral crystals (phenocrysts) in an otherwise fine-grained groundmass. The mineral ...
. The rhyolite has eroded into several natural pillars, and forms the walls of the Split Rock River gorge. Beginning 2 million years ago a series of
glacial periods A glacial period (alternatively glacial or glaciation) is an interval of time (thousands of years) within an ice age that is marked by colder temperatures and glacier advances. Interglacials, on the other hand, are periods of warmer climate betw ...
repeatedly covered the region with ice, scouring the bedrock and scooping out a great basin. The glaciers, and later meltwater, wore away less resistant rock, leaving behind hills and ridges of the harder diabase and anorthosite. At the end of the last glacial period the basin filled with meltwater. The water level fluctuated significantly over time due to blockages of the outlet and
post-glacial rebound Post-glacial rebound (also called isostatic rebound or crustal rebound) is the rise of land masses after the removal of the huge weight of ice sheets during the last glacial period, which had caused isostatic depression. Post-glacial rebound a ...
. The high-water
Glacial Lake Duluth Lake Duluth was a proglacial lake that formed in the Lake Superior drainage basin as the Laurentide Ice Sheet retreated.
deposited clay sediments inland, while later, lower precursors of Lake Superior eroded bluffs and beach terraces.


Flora and fauna

The park was originally forested with
red Red is the color at the long wavelength end of the visible spectrum of light, next to orange and opposite violet. It has a dominant wavelength of approximately 625–740 nanometres. It is a primary color in the RGB color model and a secondar ...
and
white pine ''Pinus'', the pines, is a genus of approximately 111 extant tree and shrub species. The genus is currently split into two subgenera: subgenus ''Pinus'' (hard pines), and subgenus ''Strobus'' (soft pines). Each of the subgenera have been further ...
. However, these were heavily logged at the beginning of the 20th century, and
wildfire A wildfire, forest fire, bushfire, wildland fire or rural fire is an unplanned, uncontrolled and unpredictable fire in an area of Combustibility and flammability, combustible vegetation. Depending on the type of vegetation present, a wildfire ...
s sweeping through the cutover land killed many of the remaining saplings and seedlings. Today the vegetation is primarily
birch A birch is a thin-leaved deciduous hardwood tree of the genus ''Betula'' (), in the family Betulaceae, which also includes alders, hazels, and hornbeams. It is closely related to the beech-oak family Fagaceae. The genus ''Betula'' contains 30 ...
with some
spruce A spruce is a tree of the genus ''Picea'' (), a genus of about 35 species of coniferous evergreen trees in the family Pinaceae, found in the northern temperate and boreal (taiga) regions of the Earth. ''Picea'' is the sole genus in the subfami ...
, fir, and ash trees. Mammals found in the park include
white-tailed deer The white-tailed deer (''Odocoileus virginianus''), also known as the whitetail or Virginia deer, is a medium-sized deer native to North America, Central America, and South America as far south as Peru and Bolivia. It has also been introduced t ...
,
moose The moose (in North America) or elk (in Eurasia) (''Alces alces'') is a member of the New World deer subfamily and is the only species in the genus ''Alces''. It is the largest and heaviest extant species in the deer family. Most adult mal ...
, black bears,
raccoon The raccoon ( or , ''Procyon lotor''), sometimes called the common raccoon to distinguish it from other species, is a mammal native to North America. It is the largest of the procyonid family, having a body length of , and a body weight of ...
s,
snowshoe hare The snowshoe hare (''Lepus americanus''), also called the varying hare or snowshoe rabbit, is a species of hare found in North America. It has the name "snowshoe" because of the large size of its hind feet. The animal's feet prevent it from sink ...
s,
red fox The red fox (''Vulpes vulpes'') is the largest of the true foxes and one of the most widely distributed members of the Order (biology), order Carnivora, being present across the entire Northern Hemisphere including most of North America, Europe ...
es,
bobcat The bobcat (''Lynx rufus''), also known as the red lynx, is a medium-sized cat native to North America. It ranges from southern Canada through most of the contiguous United States to Oaxaca in Mexico. It is listed as Least Concern on the IUC ...
s, and
Canadian lynx The Canada lynx (''Lynx canadensis''), or Canadian lynx, is a medium-sized North American lynx that ranges across Alaska, Canada, and northern areas of the contiguous United States. It is characterized by its long, dense fur, triangular ears w ...
es. A colony of
beavers Beavers are large, semiaquatic rodents in the genus ''Castor'' native to the temperate Northern Hemisphere. There are two extant species: the North American beaver (''Castor canadensis'') and the Eurasian beaver (''C. fiber''). Beavers a ...
lives on the Split Rock River. Birds include herring gulls,
common loon The common loon or great northern diver (''Gavia immer'') is a large member of the loon, or diver, family of birds. Breeding adults have a plumage that includes a broad black head and neck with a greenish, purplish, or bluish sheen, blackish o ...
s, and a variety of songbirds.
Peregrine falcon The peregrine falcon (''Falco peregrinus''), also known as the peregrine, and historically as the duck hawk in North America, is a Cosmopolitan distribution, cosmopolitan bird of prey (Bird of prey, raptor) in the family (biology), family Falco ...
s nest on the lakeside cliffs.


Cultural history


Early history

Several vestiges of early 20th-century industry are visible in the park. The first white settlement in the Split Rock area was Little Two Harbors, a commercial fishing village populated largely by Norwegian immigrants. The men of the village fished for trout, whitefish, and
herring Herring are forage fish, mostly belonging to the family of Clupeidae. Herring often move in large schools around fishing banks and near the coast, found particularly in shallow, temperate waters of the North Pacific and North Atlantic Oceans, i ...
from 16–18 foot skiffs in the fall and winter. Little Two Harbors was inhabited until 1925, although in later years only 4 or 5 residents lived there year-round. Cement foundations of houses and fish processing buildings remain. A logging camp known as Splitrock existed at the mouth of the Split Rock River from 1899 to 1906. Pilings from their dam and wharf are still visible jutting from the water. The Merrill Logging Trail follows the route of their rail line. In 1901 a prospector from Duluth misidentified the outcrops of anorthosite as
corundum Corundum is a crystalline form of aluminium oxide () typically containing traces of iron, titanium, vanadium and chromium. It is a rock-forming mineral. It is a naturally transparent material, but can have different colors depending on the pres ...
, an extremely hard mineral valuable as an industrial
abrasive An abrasive is a material, often a mineral, that is used to shape or finish a workpiece through rubbing which leads to part of the workpiece being worn away by friction. While finishing a material often means polishing it to gain a smooth, reflec ...
. Three years later the North Shore Abrasives Company set up mining operations on Corundum Point, but abandoned the site in 1908 when their product was found to be inadequate. Their crushing house burned down in a forest fire in 1910 but its concrete footings remain. Another remnant from this period is a finely crafted, freestanding stone fireplace atop Day Hill. According to local legend it was the start of a house built around 1900 by Frank Day, a businessman from Duluth, for himself and his sweetheart, but abandoned when she did not reciprocate his love.Minnesota Department of Natural Resources. Split Rock Lighthouse State Park interpretive signage.


Split Rock Lighthouse

Three violent storms struck the Great Lakes in November 1905, killing 116 sailors. One, the Mataafa Storm of November 28, damaged nearly 30 ships on Lake Superior. Two ships were wrecked against the future park's shore, the steel
steamboat A steamboat is a boat that is marine propulsion, propelled primarily by marine steam engine, steam power, typically driving propellers or Paddle steamer, paddlewheels. Steamboats sometimes use the ship prefix, prefix designation SS, S.S. or S/S ...
''
William Edenborn William C. Edenborn (1848–1926) was an inventor, steel industrialist, and railroad magnate. He patented the design for a machine for inexpensive manufacture of barbed wire. Edenborn founded the Louisiana Railway and Navigation Company, which o ...
'' and a
barge Barge nowadays generally refers to a flat-bottomed inland waterway vessel which does not have its own means of mechanical propulsion. The first modern barges were pulled by tugs, but nowadays most are pushed by pusher boats, or other vessels ...
it was towing, the ''
Madeira ) , anthem = ( en, "Anthem of the Autonomous Region of Madeira") , song_type = Regional anthem , image_map=EU-Portugal_with_Madeira_circled.svg , map_alt=Location of Madeira , map_caption=Location of Madeira , subdivision_type=Sovereign st ...
''. The ''Edenborn'' was beached far ashore at the mouth of the Split Rock River and later salvaged, but one of the 25 crewmembers was killed. The ''Madeira'' with 10 men aboard drifted northeast until violent waves began smashing her against the cliffs of Gold Rock Point. Crewman Fred Benson managed to leap onto the rocks and scale the cliff in the midst of the snowstorm. The first mate was swept overboard and drowned, but Benson was able to lower a rope and pull the other eight crew to safety. The ''Madeira'' sank in pieces at the foot of Gold Rock while the crewmen, suffering from exposure and frostbite, found shelter with local fishermen and loggers. Both crews were picked up two days later by the tugboat '' Edna G''. The shipping companies that had sustained losses in the storms lobbied the federal government for an expanded system of navigational aids on the Great Lakes. Besides the ''Edenborn'' and the ''Madeira'', five other ships had been damaged within a dozen miles of the Split Rock River. A signal in that area was at the top of the industry's list of demands. The site ultimately selected for the lighthouse and fog signal was northeast of the Split Rock River, on Stony Point. There were no roads yet up the North Shore, so all construction materials were brought in by barge and hoisted up the cliff with a
derrick A derrick is a lifting device composed at minimum of one guyed mast, as in a gin pole, which may be articulated over a load by adjusting its guys. Most derricks have at least two components, either a guyed mast or self-supporting tower, and a ...
and a steam-powered hoist. By midsummer 1910 work was complete on the lighthouse,
foghorn A foghorn or fog signal is a device that uses sound to warn vehicles of navigational hazards such as rocky coastlines, or boats of the presence of other vessels, in foggy conditions. The term is most often used in relation to marine transport. W ...
building, and three houses for the lighthouse keepers. The derrick remained the only way to bring supplies up the cliff until the lighthouse staff built a tramway in 1915-16. The station finally became accessible by a road, now
Minnesota State Highway 61 Minnesota State Highway 61 (MN 61) is a highway in northeast Minnesota, which runs from a junction with Interstate 35 (I-35) in Duluth at 26th Avenue East, and continues northeast to its northern terminus at the Canadian border near Grand Portag ...
, completed in 1929. Five years later a crew from the
Civilian Conservation Corps The Civilian Conservation Corps (CCC) was a voluntary government work relief program that ran from 1933 to 1942 in the United States for unemployed, unmarried men ages 18–25 and eventually expanded to ages 17–28. The CCC was a major part of ...
built a new access road and lighthouse tenders were provided with a truck to bring in supplies by land, so the tramway was dismantled. The picturesque lighthouse, perched on a 130-foot cliff overlooking the world's largest lake, began attracting small numbers of visitors within weeks of its opening. However the completion of Highway 61 opened the floodgates to tourism. In 1938 it was estimated that 100,000 visitors stopped by, five times more than any other federally operated lighthouse. Some of the lighthouse keepers' children opened a souvenir stand just outside the station entrance in 1941. Both the U.S. Lighthouse Service and the
U.S. Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and law enforcement service branch of the United States Armed Forces and one of the country's eight uniformed services. The service is a maritime, military, mul ...
which absorbed it in 1939 were obliged to add seasonal staff to help conduct tours.


State park creation

In 1945 Clarence R. Magney, a former mayor of
Duluth , settlement_type = City , nicknames = Twin Ports (with Superior), Zenith City , motto = , image_skyline = , image_caption = Clockwise from top: urban Duluth skyline; Minnesota ...
turned associate justice of the
Minnesota Supreme Court The Minnesota Supreme Court is the Supreme court, highest court in the U.S. state of Minnesota. The court hears cases in the Supreme Court chamber in the Minnesota State Capitol or in the nearby Minnesota Judicial Center. History The court wa ...
, noticed a sign near the
Baptism River The Baptism River is an U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed May 7, 2012 river of the U.S. state of Minnesota. The river source is the confluence of the East Branch Baptism Ri ...
reading "Lake and River Frontages for Sale." A staunch advocate of public lands on the North Shore, Magney determined to protect some of this land from the development boom that would accompany the end of World War II. At this time
Gooseberry Falls Gooseberry Falls State Park is a state park of Minnesota, United States, on the North Shore of Lake Superior. The park is located in Silver Creek Township, about 13 miles (21 km) northeast of Two Harbors, Minnesota in Lake County on ...
was the only Minnesota state park on Lake Superior. A bill promoted by Magney easily passed in the
Minnesota Legislature The Minnesota Legislature is the bicameral legislature of the U.S. state of Minnesota consisting of two houses: the Senate and the House of Representatives. Senators are elected from 67 single-member districts. In order to account for decennia ...
, creating both Baptism River State Park (now
Tettegouche State Park Tettegouche State Park ( ) is a Minnesota state park on the north shore of Lake Superior northeast of Duluth in Lake County on scenic Minnesota Highway 61. The park's name stems from the Tettegouche Club, an association of local businessmen w ...
) and Split Rock State Scenic Wayside. The wayside consisted of a hill offering a view of the Split Rock Lighthouse. Due to its popularity with tourists, the lighthouse was kept operating well after
radar Radar is a detection system that uses radio waves to determine the distance (''ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, w ...
and other technology had rendered it obsolete. However, by 1967 the Coast Guard was considering decommissioning the station. The state legislature acted to expand the wayside into a full-fledged state park including the lighthouse itself. The station was officially closed in 1969 after 59 years of service. Under the Surplus Property Act the grounds and buildings were transferred to the state of Minnesota for free to be operated as a historic site. The state parks division developed an entrance station, picnic grounds, roads, and trails. The Minnesota Historical Society took over management of the lighthouse station in 1976. Over the next decade they restored several buildings to their 1920 appearance and constructed a $1.2 million history center. Meanwhile, from 1984 to 1990 the state park spent $555,000 to improve the recreational facilities, including a new access road, picnic area, and all-season trail shelter, and an expanded trail system. They also developed the park's first campground, an unconventional design in which campers wheel their equipment to their sites in carts provided by the park. The Split Rock Trading Post, just outside and unaffiliated with the state park, operated from 1960 up to 1999, when it burned down in a fire. In addition to a kitschy gift shop, this
tourist trap A tourist trap is an establishment (or group of establishments) that has been created or re-purposed with the aim of attracting tourists and their money. Tourist traps will typically provide overpriced services, entertainment, food, souveni ...
once boasted live bears in cages, the anchor of the ''Madeira'', and a wooden tower offering a view of the lighthouse. Gold Rock Point, the headland just north of the lighthouse, was not originally part of the state park. In 1997 it was purchased from its private owners by the Parks & Trails Council of Minnesota, an organization founded by Clarence Magney, among others, to buy and hold worthy properties until state legislation can authorize their public acquisition. The next year Nadine Blacklock, a nature photographer and president of the Parks and Trails Council, was killed in a car accident just outside the north end of the park. The Council and the Blacklock Nature Sanctuary, an art and conservation non-profit organization she and her family had founded, jointly purchased of land around the accident site. were transferred to the state park while the remainder, with an existing one-bedroom cabin, is managed by the Blacklock Nature Sanctuary as an artists' retreat. The additions were developed with access features for ''Madeira'' wreck divers and the Gitchi-Gami State Trail, a paved bicycling route in development along the North Shore.


Recreation

Split Rock Lighthouse State Park has a unique cart-in campground with 20 secluded campsites and a modern restroom. Campers leave their vehicles in a parking lot and use two-wheeled carts provided by the park to carry their equipment a short distance to their site. There are four backpack campsites along the shore, two accessible to sea kayakers. Conventional drive-in campgrounds managed by the state park are available in two state forests in the area. An expansion of the state park campground, to include 60 drive-in sites, has been approved and construction may begin in summer 2010. The park contains of trails for hiking, bicycling, and cross-country skiing. There are several overlooks providing views of the lighthouse and Lake Superior. A paved section of the
Gitchi-Gami State Trail The Gitchi-Gami State Trail is a multi-use recreational trail in development along the North Shore of Lake Superior in Minnesota, USA. Planned to extend from Two Harbors to Grand Marais, the trail currently comprises five unconnected segment ...
runs through the park near the shore, while the Superior Hiking Trail runs inland and skirts both the Split Rock River and Split Rock Creek. There is a lakeshore picnic area and two picnic shelters, one open year-round. Water recreation includes boating,
sea kayak A sea kayak or touring kayak is a kayak developed for the sport of paddling on open waters of lakes, bays, and the ocean. Sea kayaks are seaworthy small boats with a covered deck and the ability to incorporate a spray deck. They trade off the man ...
ing, and fishing for
lake trout The lake trout (''Salvelinus namaycush'') is a freshwater char living mainly in lakes in northern North America. Other names for it include mackinaw, namaycush, lake char (or charr), touladi, togue, and grey trout. In Lake Superior, it can also ...
, salmon, and
brown trout The brown trout (''Salmo trutta'') is a European species of salmonid fish that has been widely introduced into suitable environments globally. It includes purely freshwater populations, referred to as the riverine ecotype, ''Salmo trutta'' morph ...
. The park also provides
scuba diving Scuba diving is a mode of underwater diving whereby divers use breathing equipment that is completely independent of a surface air supply. The name "scuba", an acronym for "Self-Contained Underwater Breathing Apparatus", was coined by Chris ...
access to the ''Madeira'' wreck, which is on the
National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic v ...
. Divers can also see parts of the ''Madeira'' in Little Two Harbors, where they were dumped in 1974 after an aborted salvage operation. Underwater artifacts from the settlements of Splitrock and Little Two Harbors can be seen in their respective bays.


Park events

The park's trail center hosts various public events, including music performances, nature walks, and history programs. Every year on November 10, the beacon of the lighthouse is lighted to commemorate the sunken SS ''Edmund Fitzgerald''. This event attracts nearly 900 people each year.


References


External links


Split Rock Lighthouse State Park

Split Rock Lighthouse State Historic Site
{{authority control 1945 establishments in Minnesota Protected areas established in 1945 Protected areas of Lake County, Minnesota State parks of Minnesota Tombolos