Page 4 - Black Range Naturalist, Vol. 2, No. 4
P. 4
Geologic Maps of the Black Range
Although detailed geologic maps of the entire Black Range do not exist we are lucky enough to have several excellent
examples of geologic quadrangles from the area. The “Geologic Map of the Hillsboro 7.5-Minute Quadrangle, Sierra County, New Mexico” is shown on this and the following page. Let me note - it is a thing of beauty.
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