The University of Texas at Austin
[RIO GRANDE VALLEY COAL MINES]
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Identifier: e_txmp_0022
Title: [RIO GRANDE VALLEY COAL MINES]
Description: 022, Tue Oct 25, 2005, 8:18:24 AM, 8C, 7996x11040, (2028+4054), 150%, bent 6 stops, 1/60 s, R42.7, G36.3, B50.2
State: Texas
Date: n.d.
Source: UT Bureau of Economic Geology Map Collection [BEG]
Publisher: Dolph Briscoe Center for American History
Box: 1263; UT Bur. Of Economic Geology; series XVI; #33
Format: Mineral Map, Vellum map
Subject: Texas--maps