@article{240383, note = {Relief shown by contours and spot heights.}, author = {Morton, Douglas M. and Woodburne, Michael O. and Foster, J. H.}, url = {http://library.usi.edu/record/240383}, title = {Geologic map of the Telegraph Peak 7.5 minute quadrangle, San Bernardino County, California [microform] /}, publisher = {U.S. Geological Survey ;}, recid = {240383}, pages = {1 map.}, address = {Reston, Va. :}, year = {1991}, }