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Continue to ChatDalhart topographic map, NM, TX, OK - USGS Topo 1:250,000 scale https://www.yellowmaps.com/usgs/250k/36102a1.htm
Dalhart topographic map, NM, TX, OK - USGS Topo 1:250,000 scale https://www.yellowmaps.com/usgs/250k/36102a1.htm