TY - RPRT TI - Hydrologic characteristics and water quality of headwater streams and wetlands at the Allegheny Portage Railroad National Historic Site, Summit area, Blair and Cambria Counties, Pennsylvania, 2014–16 AU - Charles A. Cravotta AU - Daniel G. Galeone AU - Kathy A. Penrod PY - 2018 DO - 10.3133/ofr20181125 UR - https://pubs.usgs.gov/publication/ofr20181125 ID - ofr20181125 ER -