Long Hollow (Catawissa Creek)
| Long Hollow | |
|---|---|
The valley of Long Hollow
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| Basin features | |
| Main source | Catawissa Mountain in Roaring Creek Township, Columbia County, Pennsylvania 1,380 to 1,400 feet (420 to 430 m) |
| River mouth | Catawissa Creek in Beaver Township, Columbia County, Pennsylvania 705 ft (215 m) 40°56′31″N 76°18′24″W / 40.94187°N 76.30670°WCoordinates: 40°56′31″N 76°18′24″W / 40.94187°N 76.30670°W |
| Progression | Catawissa Creek → Susquehanna River → Chesapeake Bay |
| Basin size | 2.84 sq mi (7.4 km2) |
| Tributaries |
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| Physical characteristics | |
| Length | 2.5 mi (4.0 km) |
Long Hollow (historically known as Long Hollow Run) is a tributary of Catawissa Creek in Columbia County, Pennsylvania, in the United States. It is approximately 2.5 miles (4.0 km) long and flows through Roaring Creek Township and Beaver Township. The watershed of the stream has an area of 2.84 square miles (7.4 km2). The stream has a neutral pH and is considered to be a coldwater fishery. The main rock formations in the stream's watershed are the Mauch Chunk Formation, the Spechty Kopf Formation, the Pocono Formation, and the Buddys Run Member of the Catskill Formation.
Long Hollow begins on Catawissa Mountain in Roaring Creek Township. It flows east for a few tenths of a mile. The stream then enters Beaver Township. It continues east and after a sort distance, the stream receives an unnamed tributary. It then continues roughly east for considerably more than a mile in a deep valley. At the end of the valley, the stream reaches its confluence with Catawissa Creek.
Long Hollow joins Catawissa Creek 13.82 miles (22.24 km) upstream of its mouth.
Long Hollow has one unnamed tributary. It is known as "Trib 27555 to Long Hollow".
The pH of Long Hollow downstream of "Trib 27555 to Long Hollow" is between 7.0 and 7.5 and the concentration of alkalinity is four milligrams per liter. The pH upstream of this point is unknown. The stream is infertile and acidic, with the potential to be affected by acid precipitation. The total level of water hardness of the stream in milligrams per liter is 4.
The specific conductance of the waters of Long Hollow is 22 umhos.
At noon on June 26, 1997, the air temperature in the vicinity of Long Hollow was 25 °C (77 °F). The water temperature of the stream at that time was 13 °C (55 °F).
The elevation near the mouth of Long Hollow is 705 feet (215 m) above sea level. The elevation of the stream's source is between 1,380 feet (420 m) and 1,400 feet (430 m).
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