@misc{indiciae5269025e5d0f, title = {Analysis of geophysical logs, at North Penn Area 6 Superfund Site, Lansdale, Montgomery County, Pennsylvania}, author = {Randall W. Conger}, year = {1999}, doi = {10.3133/ofr99271a}, url = {https://pubs.usgs.gov/publication/ofr99271A}, note = {Source identifier: ofr99271A} }