@article{257905, recid = {257905}, author = {Larsen, Daniel. and Crossey, Laura J. and Bethke, Philip Martin,}, title = {Depositional environments and authigenic mineral distributions in the Oligocene Creede Formation, Colorado, USA [microform] /}, publisher = {U.S. Dept. of the Interior, U.S. Geological Survey,}, address = {[Denver, Colo.] :}, pages = {76 p. :}, year = {2001}, note = {Cover title.}, url = {http://library.usi.edu/record/257905}, }