GEOLOGY OF CABALLO AND APACHE GAP QUADRANGLES, SIERRA COUNTY, NEW MEXICO, by William R. Seager and Greg H. Mack. Copyright (c) 2005 New Mexico Bureau of Geology and Mineral Resources Peter A. Scholle, Director and State Geologist A division of New Mexico Institute of Mining and Technology Daniel H. Lopez, President 801 Leroy Place Socorro, NM 87801 (505) 835-5420 Web site: geoinfo.nmt.edu Geologic Map 74 ISBN 1-883905-23-0 Issued in electronic format only The map provided on this CD is available only electronically in PDF and georeferenced TIFF (for use with GIS software) formats. System Requirements/Recommendations All platforms: The PDF will require Adobe Reader 5.0 or later. Windows Microsoft(r) Windows 98 Second Edition or later. 32MB of RAM (64MB recommended) 60MB of available hard-disk space Adobe (r) Reader (r) for Windows is a free download from www.adobe.com Macintosh Adobe(r) Reader(r) for Macintosh is a free download from www.adobe.com. PowerPC(r) G3 processor 32MB of RAM (64MB recommended) 70MB of available hard-disk space Adobe(r) Reader(r) 6.0.1--Mac OS X v.10.2.2-or newer Acrobat(r) Reader(r) 5--Mac OS 8.6 through OS X Adobe (r) Reader (r) for Macintosh is a free download from www.adobe.com The sheets in this volume are provided as PDFs will open in a new reader window. Close the new window to return to the Main menu or to the sheet you are currently viewing. The user will find it most useful if the navigation tool bar is visible. Links (pink dashed rectangles) are provided from lines of cross sections on the map sheet to the appropriate cross section on the cross section sheet and vice versa. The map (sheet 1) measures 42 inches wide by 36 inches high. The map will print on 36-inch-wide paper in landscape orientation. The cross sections (sheet 2) measures 36 inches wide by 44 inches high. The cross sections will print on 36-inch-wide paper in portrait orientation. The maps and cross sections will be most useful when printed on a color wide-bed printer. Tiling or black-only printing is not recommended. This map is part of a larger study of the Caballo Mountains that includes providing complete map coverage at a scale of 1:24,000; six maps have been published. As a supplement to the quadrangle maps, Memoir 49, Geology of the Caballo Mountains, New Mexico, was released in 2003 v. 1.1