Susquehecka Creek
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Susquehecka Creek
Susquehecka Creek, once known as Freeburg Creek or Freeburg Run, is a tributary of Middle Creek in Snyder County, Pennsylvania, in the United States. It is approximately long and flows through Washington Township and Freeburg. The watershed of the creek has an area of . The creek has one named tributary, Dry Run. Part of Susquehecka Creek is impaired by sedimentation/siltation due to agriculture. A number of bridges have been constructed over the creek. Its watershed is designated as a Coldwater Fishery and a Migratory Fishery. Course Susquehecka Creek begins in a broad valley known as Pleasant Valley, in Washington Township. It flows east-northeast for a few miles alongside Pennsylvania Route 35, crossing it twice. As the creek nears Freeburg, it receives the tributary Dry Run from the left and turns northeast, entering Freeburg. After a few tenths of a mile, it turns east-southeast for a short distance and reenters Washington Township before turning east-northeast, continuing ...
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Penns Creek
Penns Creek is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed August 8, 2011 tributary of the Susquehanna River in central Pennsylvania in the United States.Gertler, Edward. ''Keystone Canoeing'', Seneca Press, 2004. The creek was called the Kaarondinhah by the Iroquois who were in possession of the Susquehanna Valley from the mid-17th to the mid-18th centuries. Between 1754, when the Iroquois sold most of the Susquehanna Valley including the creek to the provincial government of Pennsylvania, and 1772, it was called both Big Mahany and John Penn's Creek (after the younger brother of Pennsylvania founder William Penn) by the European settlers who moved there. Penns Creek drains a watershed of approximately in Snyder, Union, and Centre counties. It flows from its headwaters north of Spring Mills to the Susquehanna River, approximately downstream of Selinsgrove. A large spring within Penn's Cave, a commercial c ...
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Sea Level
Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical datuma standardised geodetic datumthat is used, for example, as a chart datum in cartography and marine navigation, or, in aviation, as the standard sea level at which atmospheric pressure is measured to calibrate altitude and, consequently, aircraft flight levels. A common and relatively straightforward mean sea-level standard is instead the midpoint between a mean low and mean high tide at a particular location. Sea levels can be affected by many factors and are known to have varied greatly over geological time scales. Current sea level rise is mainly caused by human-induced climate change. When temperatures rise, Glacier, mountain glaciers and the Ice sheet, polar ice caps melt, increasing the amount of water in water bodies. Because most of human settlem ...
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Pennsylvania Code
The ''Pennsylvania Code'' is a publication of the Commonwealth of Pennsylvania, listing all rules, regulations, and other administrative documents from the Government of Pennsylvania. Citation Title 1 section 1.2 of the ''Pennsylvania Code'' suggests citation in the following format * The number of the title * The abbreviation "Pa. Code" * The section of the Code (e.g., 1 Pa. Code ยง 1.2) See also * ''Pennsylvania Bulletin'', a weekly publication of changes to agency rules and regulations * Law of Pennsylvania References External links ''Pennsylvania Code''from pacode.com (Note: Omits some titles, e.g. Title 18) Government of Pennsylvania Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ... Pennsylvania law {{Pennsylvania-stub ...
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The Daily Item (Sunbury)
''The Daily Item'' is a daily newspaper in Sunbury, Pennsylvania, covering the Central Susquehanna Valley Region. It is owned by Community Newspaper Holdings Inc. ''The Sunbury Daily'' (founded 1872) and ''The Evening Item'' (1893) merged July 1, 1936. Publishing five afternoons per week, ''The Daily Item'' was owned by the Dewart family and other local investors until April 15. 1970, when Ottaway Community Newspapers purchased it. Ottaway streamlined and upgraded the newspaper. It built new presses in 1979 and introduced Saturday and Sunday morning editions in the late 1980s. In 2001, the paper bought ''The Danville News''. Community Newspaper Holdings bought ''The Daily Item'' and ''The Danville News'' in late 2006 from Ottaway Community Newspapers, a division of Dow Jones & Company. In May 2015, the newspaper published a letter to the editor calling for the execution of US President Barack Obama Barack Hussein Obama II ( ; born August 4, 1961) is an American politi ...
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Tee Beam
A T-beam (or tee beam), used in construction, is a load-bearing structure of reinforced concrete, wood or metal, with a -shaped cross section. The top of the -shaped cross section serves as a flange or compression member in resisting compressive stresses. The web (vertical section) of the beam below the compression flange serves to resist shear stress. When used for highway bridges the beam incorporates reinforcing bars in the bottom of the beam to resist the tensile stresses which occur during bending. The T-beam has a big disadvantage compared to an I-beam (with shape) because it has no bottom flange with which to deal with tensile forces. One way to make a T-beam more efficient structurally is to use an inverted T-beam with a floor slab or bridge deck joining the tops of the beams. Done properly, the slab acts as the compression flange. History A T-beam is a structural element able to withstand large loads by resistance in the beam or by internal reinforcements. In some r ...
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Geographic Names Information System
The Geographic Names Information System (GNIS) is a database of name and locative information about more than two million physical and cultural features throughout the United States and its territories, Antarctica, and the associated states of the Marshall Islands, Federated States of Micronesia, and Palau. It is a type of gazetteer. It was developed by the United States Geological Survey (USGS) in cooperation with the United States Board on Geographic Names (BGN) to promote the standardization of feature names. Data were collected in two phases. Although a third phase was considered, which would have handled name changes where local usages differed from maps, it was never begun. The database is part of a system that includes topographic map names and bibliographic references. The names of books and historic maps that confirm the feature or place name are cited. Variant names, alternatives to official federal names for a feature, are also recorded. Each feature receives a per ...
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Aquatic Life
An aquatic ecosystem is an ecosystem formed by surrounding a body of water, in contrast to land-based terrestrial ecosystems. Aquatic ecosystems contain communities of organisms that are dependent on each other and on their environment. The two main types of aquatic ecosystems are marine ecosystems and freshwater ecosystems. Freshwater ecosystems may be lentic (slow moving water, including pools, ponds, and lakes); lotic (faster moving water, for example streams and rivers); and wetlands (areas where the soil is saturated or inundated for at least part of the time). Types Marine ecosystems Marine coastal ecosystem Marine surface ecosystem Freshwater ecosystems Lentic ecosystem (lakes) Lotic ecosystem (rivers) Wetlands Functions Aquatic ecosystems perform many important environmental functions. For example, they recycle nutrients, purify water, attenuate floods, recharge ground water and provide habitats for wildlife. Aquatic ecosystems are also used for ...
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Flood
A flood is an overflow of water ( or rarely other fluids) that submerges land that is usually dry. In the sense of "flowing water", the word may also be applied to the inflow of the tide. Floods are an area of study of the discipline hydrology and are of significant concern in agriculture, civil engineering and public health. Human changes to the environment often increase the intensity and frequency of flooding, for example land use changes such as deforestation and removal of wetlands, changes in waterway course or flood controls such as with levees, and larger environmental issues such as climate change and sea level rise. In particular climate change's increased rainfall and extreme weather events increases the severity of other causes for flooding, resulting in more intense floods and increased flood risk. Flooding may occur as an overflow of water from water bodies, such as a river, lake, or ocean, in which the water overtops or breaks levees, resulting ...
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Quadrangle (geography)
A "quadrangle" is a topographic map produced by the United States Geological Survey (USGS) covering the United States. The maps are usually named after local physiographic features. The shorthand "quad" is also used, especially with the name of the map; for example, "the Ranger Creek, Texas quad". From approximately 1947-1992, the USGS produced the 7.5 minute series, with each map covering an area one-quarter of the older 15-minute quad series, which it replaced. A 7.5 minute quadrangle map covers an area of . Both map series were produced via photogrammetric analysis of aerial photography using stereoplotters supplemented by field surveys. These maps employ the 1927 North American Datum (NAD27); conversion or a change in settings is necessary when using a GPS which by default employ the WGS84 geodetic datum. Beginning in 2009, the USGS made available digital versions of 7.5 minute quadrangle maps based on GIS data that use the NAD83 datum, which is typically within one meter of ...
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United States Geological Survey
The United States Geological Survey (USGS), formerly simply known as the Geological Survey, is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The organization's work spans the disciplines of biology, geography, geology, and hydrology. The USGS is a fact-finding research organization with no regulatory responsibility. The agency was founded on March 3, 1879. The USGS is a bureau of the United States Department of the Interior; it is that department's sole scientific agency. The USGS employs approximately 8,670 people and is headquartered in Reston, Virginia. The USGS also has major offices near Lakewood, Colorado, at the Denver Federal Center, and Menlo Park, California. The current motto of the USGS, in use since August 1997, is "science for a changing world". The agency's previous slogan, adopted on the occasion of its hundredt ...
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Drainage Basin
A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, the '' drainage divide'', made up of a succession of elevated features, such as ridges and hills. A basin may consist of smaller basins that merge at river confluences, forming a hierarchical pattern. Other terms for a drainage basin are catchment area, catchment basin, drainage area, river basin, water basin, and impluvium. In North America, they are commonly called a watershed, though in other English-speaking places, "watershed" is used only in its original sense, that of a drainage divide. In a closed drainage basin, or endorheic basin, the water converges to a single point inside the basin, known as a sink, which may be a permanent lake, a dry lake, or a point where surface water is lost underground. Drainage basins are similar ...
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