Mertzon and the nearby community of Sherwood anchor this Irion County landscape, situated where the Edwards Plateau begins to break into the draws and creeks of the Concho River basin. The map reveals a transition from the structured residential grid of Mertzon to the more dispersed ranching infrastructure defined by Bull Run Cr and Spring Cr. Genealogists and local historians can pinpoint family sites at the Mertzon Cem and Sherwood Cem, or trace the winding course of Lopez Cr as it flows past the notable Lopez Peaks. The area's aviation and transportation ties are evident in the presence of the Logcabin Rd Airport and a dense network of ranch roads like Lucky Mag Rd and Horseshoe Bend Trl, which navigate the elevation changes near Lopez Spring.
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This is the sole edition of this map. No revisions or reprints were ever made.
1895 · Sherwood
USGS Topo · 1:125,000
1928 · Tankersly
USGS Topo · 1:62,500
1954 · San Angelo
USGS Topo · 1:250,000
1957 · Knickerbocker
USGS Topo · 1:62,500
1958 · San Angelo
USGS Topo · 1:250,000
1965 · San Angelo
USGS Topo · 1:250,000
1971 · Noelke
USGS Topo · 1:24,000
1972 · Arden
USGS Topo · 1:24,000
1972 · Hulldale NW
USGS Topo · 1:24,000
1972 · Noelke NE
USGS Topo · 1:24,000