@article{229477, recid = {229477}, author = {O'Sullivan, Robert Brett,}, title = {The base of the Upper Jurassic Morrison Formation in east-central Utah : a review of the first description of the base of the Morrison Formation in east-central Utah and some later modifications /}, publisher = {U.S. G.P.O. ;}, address = {Washington, D.C. :}, pages = {iii, 17 p. :}, year = {1985}, url = {http://library.usi.edu/record/229477}, }