Mill Creek is a tributary of

Neshaminy Creek Neshaminy Creek is a United States Geological Survey. National Hydrography DatasetThe National Map accessed April 1, 2011 stream that runs entirely through Bucks County, Pennsylvania, rising south of the borough of Chalfont, where its north a ...

rising in Upper Southampton Township in

Bucks County Bucks County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 646,538, making it the fourth-most populous county in Pennsylvania. Its county seat is Doylestown. The county is named after the English ...

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, ...

, United States. It is one of at least six creeks in Bucks County bearing the same name. The upper portion of Mill Creek was formerly known as Broad Axe Creek.MacReynolds, George, ''Place Names in Bucks County, Pennsylvania''. Doylestown, Bucks County Historical Society, Doylestown, PA, 1942, P243.

Statistics

Mill Creek rises near the intersection of

Pennsylvania Route 232 Pennsylvania Route 232 (PA 232) is a state highway located in southeastern Pennsylvania. The southern terminus of the route is at U.S. Route 1 in Pennsylvania, U.S. Route 1 (US 1)/U.S. Route 13 in Pennsylvania, US 13 at t ...

and Bristol Road in Upper Southampton, travels through the northern corner of Lower Southampton Township, then easterly through the lower part of Northampton Township where it meets Neshaminy Creek at the latter's 11.25 river mile. Mill Creek's

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, t ...

is approximately .http://www.lycoming.edu/cwi/pdfs/paGazeetterOfStreams.pdf, Page 99 Pennsylvania Department of Environmental Protection designation is 02519. US Geological Survey designation is 1192933.

Tributaries

* Pine Run * Ironworks Creek

Geology

* Appalachian Highlands Division ** Piedmont Province *** Gettysburg-Newark Lowland Section ****

Stockton Formation The Triassic Stockton Formation is a mapped bedrock unit in Pennsylvania, New Jersey, and New York. It is named after Stockton, New Jersey, where it was first described. It is laterally equivalent to the New Oxford Formation in the Gettysburg B ...

Mill Creek lies in the Stockton Formation, a

sedimentary Sedimentary rocks are types of rock (geology), rock that are formed by the accumulation or deposition of mineral or organic matter, organic particles at Earth#Surface, Earth's surface, followed by cementation (geology), cementation. Sedimentati ...

layer of rock laid down during the

Triassic The Triassic ( ) is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.902 million years ago ( Mya), to the beginning of the Jurassic Period 201.36 Mya. The Triassic is the first and shortest period ...

Mineralogy Mineralogy is a subject of geology specializing in the scientific study of the chemistry, crystal structure, and physical (including optical) properties of minerals and mineralized artifacts. Specific studies within mineralogy include the proces ...

includes coarse-grained

arkosic Arkose () or arkosic sandstone is a detrital sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Arkosic sand is sand that is similarly rich in feldspar, and thus the potential precursor of arkose. Quartz is c ...

and other

sandstone Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicates) ...

shale Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of clay minerals (hydrous aluminium phyllosilicates, e.g. kaolin, Al2 Si2 O5( OH)4) and tiny fragments (silt-sized particles) of other minerals, especial ...

siltstone Siltstone, also known as aleurolite, is a clastic sedimentary rock that is composed mostly of silt. It is a form of mudrock with a low clay mineral content, which can be distinguished from shale by its lack of fissility.Blatt ''et al.'' 1980, p ...

, and

mudstone Mudstone, a type of mudrock, is a fine-grained sedimentary rock whose original constituents were clays or muds. Mudstone is distinguished from '' shale'' by its lack of fissility (parallel layering).Blatt, H., and R.J. Tracy, 1996, ''Petrology. ...

. Mill Creek meets the Neshaminy at the

Fall Line A fall line (or fall zone) is the area where an upland region and a coastal plain meet and is typically prominent where rivers cross it, with resulting rapids or waterfalls. The uplands are relatively hard crystalline basement rock, and the coa ...

between the Piedmont Province and the

Atlantic Coastal Plain The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth#Surface, Earth's surface and about 29% of its water surface area. It is known to separate the "Old World" of Afr ...

Municipalities

* Northampton Township * Lower Southampton Township * Upper Southampton Township

Crossings and bridges

http://www.nationalbridges.com/ , retrieved June, 2017The National Map, https://viewer.nationalmap.gov/advanced-viewer/, U.S. Geological Survey, retrieved 12 August 2018

References