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GM-23 — Reconnaissance Geologic Map of the Pelona Thirty-minute Quadrangle

By Max E. Willard and Charles E. Stearns, 1971, lat 33°30' to 34°, long 108° to 108°30', scale 1:126,720.

map image

The Pelona 30-minute quadrangle contains the southwestern arm of the San Agustin Plains and surrounding highlands, which are mainly composed of Tertiary volcanic rocks of the Datil Formation. Portions of this map were modified from Bulletin-78 by Charles E. Stearns.

Related 30-minute geologic maps of this region include:

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Also available as a free download.


File Name Size Last Modified
GM-23_map.pdf 6.45 MB 02/05/2021 02:58:22 PM
GM-23_map-pal.tif 13.64 MB 09/18/2018 09:02:47 AM
GM-23_map.tif 77.40 MB 09/18/2018 08:56:18 AM