Geologic map of the Cameron quadrangle, Madison County, Montana [cartographic material] / Department of the Interior, United States Geological Survey ; by Jarvis B. Hadley
"Geology by Jarvis B. Hadley, 1959, 1963 and 1965, assisted by William D. Long and Edward J. Young." Includes text, cross section, columnar section, and quadrangle map. Relief shown by contours and spot heights.