Lat 38 deg 30 min to 39 deg , long 90 deg to 91 deg . Prepared in cooperation with the U.S. National Park Service. Lat 31 deg 57 min to 32 deg 04 min , long 109 deg 17 min to 109 deg 24 min . This geologic map, perspective block diagrams, color photographs, and pamphlet illustrate and describe the volcanic geology of Chiricahua National Monument and the evolution of the Chiricahua landscape. The map is designed for use by both the general public and the professional geologist.
Technical information is presented in the map and description of map units.
Geologic terms and geologic history are explained in the accompanying pamphlet. Geologic map of Precambrian rocks along part of the Hartville Uplift, Guernsey and Casebier Hill quadrangles, Platte and Goshen counties, Wyoming, by P. K. Sims, W. C. Day, G. L. Snyder, A. B. Wilson and Z. E. Peterman. The map area is in the Hartville Uplift, Wyoming, on the southeast margin of the Wyoming Craton. J. G. Ferrigno, B. A. Seekins, B. K. Lucchitta, and C. E. Rosanova, U.S. Geological Survey. Prepared in cooperation with the Scott Polar Research Institute, University of Cambridge, U.K. 1997.