GM-57—Geology of east half of Las Cruces and northeast El Paso 1º x 2º sheets, New Mexico By W. R. Seager, J. W. Hawley, F. E. Kottlowski, and S. A. Kelley, 1987, scale 1:125,000. 1 table, 3 sheets (geologic map, seven cross sections and corresponding gravity profiles on two sheets, and a translucent Bouguer anomaly map overlay on two sheets). Notes: - Sheet 3, (Bouguer anomaly map overlay) has not been posted yet. - GIS data available as an ArcGIS map package.