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Dobson Run is a tributary of West Branch Mahantango Creek in Juniata County, Pennsylvania, in the United States. It is approximately 5.1 miles (8.2 km) long and flows through Greenwood Township and Susquehanna Township. The watershed of the stream has an area of 7.51 square miles (19.5 km). The stream has no named tributaries, but does have several unnamed tributaries. It is one of the main streams in Susquehanna Township. The stream's drainage basin is designated as a Coldwater Fishery and a Migratory Fishery.

Course

Dobson Run begins in a pond in a valley in Greenwood Township. It flows east for several tenths of a mile, almost immediately passing through another pond, and later entering Susquehanna Township. It then heads in a roughly east-northeasterly direction for a few miles (though it flows in other directions for short distances at times). In this reach, the stream flows alongside Pennsylvania Route 235 and receives six unnamed tributaries, four from the right and two from the left. The stream then gradually turns in a generally northeasterly direction for some distance, receiving one unnamed tributary from the left and one from the right. It then turns in a generally north-northeasterly direction for several tenths of a mile before reaching its confluence with West Branch Mahantango Creek on the border between Juniata County and Snyder County.

Dobson Run joins West Branch Mahantango Creek 2.60 miles (4.18 km) upstream of its mouth.

Geography and geology

The elevation near the mouth of Dobson Run is 449 feet (137 m) above sea level. The elevation of the stream's source is 635 feet (194 m) above sea level.

Watershed and biology

The watershed of Dobson Run has an area of 7.51 square miles (19.5 km). The mouth of the stream is in the United States Geological Survey quadrangle of Dalmatia. However, its source is in the quadrangle of Reward. The stream's mouth is located near Meiserville.

Dobson Run is one of the major streams in Susquehanna Township. There is agricultural land along the floodplain of the stream; this is one of the major areas of agriculture in Susquehanna Township, along with the floodplains of Leiningers Run and the Susquehanna River.

The drainage basin of Dobson Run is designated as a Coldwater Fishery and a Migratory Fishery.

History

Dobson Run was entered into the Geographic Names Information System on August 2, 1979. Its identifier in the Geographic Names Information System is 1173323.

An $88,000 bridge replacement project for a bridge carrying State Route 2023 over Dobson Run in Susquehanna Township was included in Juniata County's 2009 to 2012 Transportation Improvement Program. Dobson Run Farm once applied for a permit to replace and maintain two pipe crossings over the stream in the same township.

See also

• Leiningers Run, next tributary of West Branch Mahantango Creek going upstream
• List of rivers of Pennsylvania

References

1. ^ United States Geological Survey, The National Map Viewer, archived from the original on March 29, 2012, retrieved May 31, 2016
2. ^ Pennsylvania Gazetteer of Streams (PDF), November 2, 2001, p. 56, retrieved June 1, 2016
3. ^ Geographic Names Information System, Feature Detail Report for: Dobson Run, retrieved June 1, 2016
4. Pennsylvania Natural Heritage Program (October 2007), A NATURAL HERITAGE INVENTORY OF JUNIATA COUNTY, PENNSYLVANIA (PDF), p. 156, retrieved June 1, 2016
5. "§ 93.9m. Drainage List M. Susquehanna River Basin in Pennsylvania Susquehanna River", Pennsylvania Code, retrieved June 1, 2016
6. Juniata County Comprehensive Plan Chapter 8 – Transportation (PDF), p. 15, retrieved June 1, 2016
7. "WATER OBSTRUCTIONS AND ENCROACHMENTS", Pennsylvania Bulletin, retrieved June 1, 2016

• Rivers of Juniata County, Pennsylvania
• Tributaries of the Susquehanna River
• Rivers of Pennsylvania