@misc{indiciaedd445f5c863c, title = {Preliminary results of coring the Mesozoic diabase sheet near Reesers Summit, New Cumberland, Pennsylvania}, author = {A.J. Froelich and D. L. Daniels and R. H. Morin}, year = {1987}, doi = {10.3133/ofr87671}, url = {https://pubs.usgs.gov/publication/ofr87671}, note = {Source identifier: ofr87671} }