Funding for this site is provided by:
--402452078271301 BLAIR COUNTY, local well
--Lat 40`24'52.2", long
78`27'12.2", Hydrologic Unit 02050302, at Allegheny Portage
Railroad National Historic Site, and southwest of Duncansville.
--U.S. Geological Survey.
--Brallier Formation, Late Devonian age.
--Drilled observation well,
diameter 6 in., depth 150 ft, cased to 14 ft, open hole.
--Data collection platform with
60-minute recording interval since December 2000. Satellite telemetry
--Elevation of land surface is 1,134 ft above
North American Vertical Datum of 1988, from Lidar. Measuring point: Top
of casing, 1.8 ft above land-surface datum 1969-1999; top of recorder
shelf, 3.06 ft above land surface datum June 10, 1999 to June 1, 2011;
3.20 ft above land-surface datum June 1, 2011 through Feb 24, 2016;
3.26 ft above land surface datum Feb 24, 2016 to current.
--Daily maximum, minimum, and mean water
levels since June 1999 are available from the District Office.
PERIOD OF RECORD.
--August 1969 to current year.
--Funding for the operation of this
station is provided by the Pennsylvania Department of Environmental
Protection and the U.S. Geological Survey.