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Open-file Geologic Map - 217
Geologic map of the Monica Saddle 7.5-minute quadrangle, Socorro County, New Mexico

G. Robert. Osburn and Charles A. Ferguson


scale 1 : 24,000

Geologic mapping of this and other 7½-minute quadrangles in New Mexico is being cooperatively funded by the USGS through the STATEMAP program and with matching funds from the Bureau. For a list of quadrangles in this series, please visit the Open-file Geologic Map (OF-GM) page or try our search page for geologic maps of any series. (More information is available in the overview of this map series...)

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These maps are open-filed as they become available. Initially, maps are posted as PDF files of scans of the hand-drawn linework, and later as full color maps and GIS products. These files can be downloaded for free or may be purchased on CD-ROM.

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CD or DVD-ROM format CD or DVD-ROM format

Also available as a free download.


File Name Size Last Modified
MonicaSaddle.pdf 8.02 MB 07/11/2014 11:38:45 AM
MonicaSaddleReport.pdf 183 KB 12/17/2013 11:08:29 AM


These maps are subject to frequent revisions and may be unavailable when being revised. Map Reference dates show the time of initial compilation; Map Revision dates, when given, indicate the most current version of the map; Last Modified dates for files may not, accurately reflect the time the map was last revised.

Please direct comments or requests regarding these maps to either the map authors or the Geologic Mapping Program Manager.