Category:Old geological maps of New Mexico
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Media in category "Old geological maps of New Mexico"
The following 3 files are in this category, out of 3 total.
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Gregory 1916 USGS Water Supply Paper 380 plate-1.jpg 12,400 × 10,109; 8.37 MB
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Gregory 1916 USGS Water Supply Paper 380 plate-2.jpg 12,200 × 9,600; 11.89 MB