Fortification sits at the junction of several drainage systems in northwestern Colorado, where the Co-13 highway follows the narrow valley floor. The landscape is defined by the convergence of the N Fork Fortification Cr and S Fork Fortification Cr, creating a vital water source in this arid terrain. To the south, the Fortification Rocks stand as a distinctive geological landmark, while the eastern edge of the quadrangle rises toward the Elkhead Mountains. Ranching remains the primary human imprint on the land, evidenced by the Mesa View Ranch and its associated Mesa View Ranch Airport. The mapping of various county roads, including CO Road 109 and CO Road 117, shows how the region is networked through its draws and creek beds, such as Mud Spring Draw and Fourmile Cr, which likely served as historic pathways through the high-elevation basins.
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This is the sole edition of this map. No revisions or reprints were ever made.
1916 · Craig
USGS Topo · 1:125,000
1923 · Elkhead Creek
USGS Topo · 1:62,500
1924 · Elkhead Creek
USGS Topo · 1:62,500
1954 · Craig
USGS Topo · 1:250,000
1957 · Craig
USGS Topo · 1:250,000
1958 · Craig
USGS Topo · 1:250,000
1960 · Craig
USGS Topo · 1:250,000
1962 · Craig
USGS Topo · 1:250,000
1964 · Craig
USGS Topo · 1:250,000
1965 · Craig
USGS Topo · 1:250,000