Manuscripts
Green River Investigation: Upstream in Ladore Canyon, above Beginning of Hell's Half Mile
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Green River Investigation: Beginning of Hell's Half MileDownstream in Ladore Canyon from below Triplet Rapids
Manuscripts
mssMarston papers V111/0078.06

Green River Investigation: Upstream in Ladore Canyon, 2 1/2 Miles above Yampa River
Manuscripts
mssMarston papers V111/0158.05

Green River Investigation: Upstream in Ladore Canyon, from above Pot Creek
Manuscripts
mssMarston papers V111/0004.02

Green River Investigation: Upstream from Lower End of Hell's Half Mile
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mssMarston papers V111/0150.04

Green River Investigation: Boat "Colorado" on Rock in Beginning of Hell's Half Mile
Manuscripts
mssMarston papers V111/0150.03

Green River Investigation: Upstream in Ladore Canyon, 1 Mile below Pot Creek
Manuscripts
mssMarston papers V111/0017.02