@misc{indiciae170a022931b6, title = {Evaluation of geophysical logs, Phase II, at Willow Grove Naval Air Station Joint Reserve Base, Montgomery County, Pennsylvania}, author = {Randall W. Conger}, year = {1999}, doi = {10.3133/ofr9973}, url = {https://pubs.usgs.gov/publication/ofr9973}, note = {Source identifier: ofr9973} }