Manuscripts
Green River Investigation- North (left) wall, Horseshoe Canyon Damsite
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Green River Investigation- South (left) wall, Horseshoe Canyon Damsite
Manuscripts
mssMarston papers V106/0060.01

Green River Investigation- Upstream above Horseshoe Canyon Damsite
Manuscripts
mssMarston papers V106/0053.04

Green River Investigation- Downstream toward Horseshoe Canyon Damsite
Manuscripts
mssMarston papers V106/0053.05

Green River Investigation- Upstream at turn in Horseshoe Canyon
Manuscripts
mssMarston papers V106/0039.05

Green River Investigation- Rapid at turn in Horseshoe Canyon
Manuscripts
mssMarston papers V106/0053.01
