@misc{indiciae17aa9da0db5b, title = {Newly recognized faunal diversity within the Hamburg Klippe, Pennsylvania, U.S.A.: Implications for interpreting the history of the klippe}, author = {J.E. Repetski and G.R. Ganis and H. S. Williams}, year = {1999}, url = {https://pubs.usgs.gov/publication/70020899}, note = {Source identifier: 70020899} }