DIGITAL DATABASE FOR THE QUATERNARY GEOLOGIC MAP OF THE LOOKOUT MOUNTAIN QUADRANGLE, UNITED STATES MISCELLANEOUS INVESTIGATIONS SERIES I-1420 (N1-16) State compilations by Robert A. Miller, Stuart W. Maher, Charles W. Copeland, Jr., Katherine F. Rheams, Thornton L. Neathery, William A. Gilliland Michael S. Friddell, Amy K. Van Nostrand, Walter H. Wheeler, Drew F. Holbrook, and William V. Bush Edited and integrated by Gerald M. Richmond and David S. Fullerton 2008 INTRODUCTION Files available through this site represent the digital component of the LOOKOUT MOUTAIN Quadrangle of the Quaternary Geologic Atlas of the U.S., Miscellaneous Investigations Series, Map I-1420 (NI-16). The files contain .e00 files, shapefiles, and pdf files of the map's illustrations and correlation diagram, and pdf files of the map unit descriptions and sources of information. An ARC/INFO aml, keyfiles and shadeset are included to produce the plot of the data. DISCLAIMERS This database, identified as I-1420 (NI-16), has been approved for release and publication by the Director of the USGS. Although this database has been subjected to rigorous review and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, it is released on condition that neither the USGS nor the United States Government may be held liable for any damages resulting from its authorized or unauthorized use. Although these data have been processed successfully on a computer system at the U.S. Geological Survey, no warranty, expressed or implied is made regarding the display or utility of the data on any other system, or for general or scientific purposes, nor shall the act of distribution constitute such warranty. The U.S.Geological Survey shall not be held liable for improper or incorrect use of the data described and/or contained herein. Any use of trade, product or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although this information product, for the most part, is in the public domain,it also contains copyrighted material as noted in the text. Permission to reproduce copyrighted items for other than personal use must be secured from the copyright owner. CONTENTS The following ARC/INFO export coverages are included in lookoutmtnGIS.zip: >bnd_lin--a line coverage containing county and administrative text >bnd_poly--a polygon coverage containing county and administrative areas >geo_net--a polygon coverage containing geological map unit areas and open water and a line coverage containing geologic contacts and shorelines >grid_lin--a line coverage of 1 degree projection lines >hydr_lin--a line coverage indicating locations of streams and water bodies >rd_lin--a line coverage of state and federal highways in the U.S. >rr_lin--a line coverage of railroads >topo_lin--a line coverage containing contour lines Included in lookoutmtnIMG.zip: I-1420_ni-16_map.pdf--A scan of the original published paper map I-1420_ni-16_plotfile.pdf--A plot of the digital files containing map units, linear features, hydrology, topography, state boundaries, and list of map symbols I-1420_ni-16_correlation.pdf--A scan of the diagram showing correlation of map units I-1420_ni-16_index.pdf--An index map showing location of Quaternary Geologic Atlas of the U.S. quadrangles I-1420_ni-16_responsibility.pdf--A scan of the illustration of compilation responsibilities shown on the paper map I-1420_ni-16_loess.pdf--A scan of a map showing loess distribution and thickness, in meters I-1420_ni-16_textonly.pdf--Text description of map units, figure captions, and sources of information used in preparing the original map Also available in the file lookoutmtnAV.zip are the ArcView shape files of the Arc/Info coverages Charles A. Bush U.S. Geological Survey (303) 236-4723 cbush@usgs.gov INSTRUCTIONS AND DOCUMENTATION FOR U.S. GEOLOGICAL SURVEY MISCELLANEOUS INVESTIGATIONS MAP I-1420 (NI-16) To access the data: The data files can be downloaded via the web from: http://pubs.er.usgs.gov/publication/i1420NI16 The main product is a Portable Document Format (.pdf) map, which requires Adobe Acrobat for viewing. Acrobat software runs on a variety of systems, and is available for download free of charge from Adobe at http://www.adobe.com.