USGS Open-File Report 2010-1095 A Review of Aeromagnetic Anomalies in the Sawatch Range, Central Colorado This report contains digital data and image files of aeromagnetic anomalies in the Sawatch Range, central Colorado. The primary product is a data layer of polygons with linked data records that summarize previous interpretations of aeromagnetic anomalies in this region. This data layer is intended to serve as a starting point for future in-depth analyses of mineral assessments in the Sawatch Range. Other data (grids and images) are included for completeness. The data files and information about their formats and use are organized into three folders (directories) as follows. Files pertaining to the Arc shapefiles are contained in the "shapefiles" folder; files pertaining to the gridded data are contained in the "grids" folder; and files pertaining to the color shaded-relief images are contained in the "images" folder. In each folder, ASCII files with the extension "txt" describe the format and contents of the data files. Read the "txt" files before using the data files. To begin, read the file "report.pdf". To view this report, you need an Adobe Acrobat reader, which can be downloaded at no cost through http://www.adobe.com/. Next, open the report folder and double-click on the report.pdf icon to open the report. Refer to the built-in help system in Adobe Acrobat Reader for assistance with commands. Disclaimer This report has not been reviewed for conformity with U.S. Geological Survey editorial standards and stratigraphic nomenclature. This publication is prepared by an agency of the United States Government. Reference to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof.