@article{222386, recid = {222386}, author = {Bisdorf, Robert J.}, title = {Schlumberger sounding results and the altitude of the Pierre Shale at the Pueblo Chemical Depot, Pueblo, Colorado [microform] /}, publisher = {U.S. Dept. of the Interior, U.S. Geological Survey,}, address = {Denver, CO :}, pages = {79 leaves :}, year = {1998}, note = {Cover title.}, url = {http://library.usi.edu/record/222386}, }