McMahan and the surrounding rural landscape of Caldwell County are defined by a network of creeks and numerous historic family and community burial grounds. This 2019 survey documents the settlement patterns of Seawillow, Tilmon, and Brownsboro, where small communities are linked by farm-to-market roads and county lanes. The terrain is marked by significant watercourses including Tenney Cr and Plum Creek, which drain the low-lying elevations of Comanche Flats. Genealogists will find the locations of several distinct cemeteries, such as Clark Chapel Cem, Fleming Memorial Cem, Jefrey Cem, and Hardshell Cem, highlighting the area's long-standing residential history. The topography remains largely agricultural and rural, with physical features like Round Mtn and the Soil Conservation Service Site 23 Reservoir providing local landmarks within this central Texas countryside.
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This is the sole edition of this map. No revisions or reprints were ever made.
1901 · Flatonia
USGS Topo · 1:125,000
1911 · San Marcos
USGS Topo · 1:125,000
1919 · San Marcos
USGS Topo · 1:125,000
1925 · San Marcos 1-d
USGS Topo · 1:48,000
1925 · San Marcos 4-a
USGS Topo · 1:48,000
1929 · Luling
USGS Topo · 1:62,500
1930 · Lockhart
USGS Topo · 1:62,500
1953 · Seguin
USGS Topo · 1:250,000
1958 · Seguin
USGS Topo · 1:250,000
1963 · Lockhart North
USGS Topo · 1:24,000