General map showing the countries explored & surveyed by the United States & Mexican Boundary Commission in the years 1850, 51, 52 & 53 /
Shows the Gila as the Southern boundary, and the "Commissioners Boundary Parallel 32°22ʹ," east of the headwaters of the Gila and West of the Rio Grande.
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| Format: | Map |
| Language: | English |
| Published: |
[Washington, D.C.] :
U.S. Army, Corps of Engineers,
1975.
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