@article{229423, recid = {229423}, author = {Wrucke, Chester T.,}, title = {The Whitehorn granodiorite of the Arkansas Valley in central Colorado,}, publisher = {U.S. Govt. Print. Off.,}, address = {Washington,}, pages = {iii, 8 p. :}, year = {1974}, url = {http://library.usi.edu/record/229423}, }