Manuscripts
U. S. Geological Survey boats at lower end of Rapid 329, Mile 198
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Efforts to salvage U. S. Geological Survey sadiron at Mile 201.8, Rapid No. 24
Manuscripts
mssMarston papers V013/0014

Efforts to salvage U. S. Geological Survey sadiron at Mile 201.8, Rapid No. 24
Manuscripts
mssMarston papers V013/0015

Salvage efforts in Rapid No. 24. U. S. Geological Survey sadiron
Manuscripts
mssMarston papers V013/0012

Attempt at salvage of U. S. Geological Survey sadiron at Mile 201.5 in Cataract Canyon
Manuscripts
mssMarston papers V013/0017

U. S. Geological Survey sadirons pinned to rock in Cataract Canyon
Manuscripts
mssMarston papers V013/0011
