Manuscripts
Hatch pontoon in Hells Half Mile. Dinosaur National Monument
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One of the Hatch pontoons on the rocks at the lower end of Hells Half Mile
Manuscripts
mssMarston papers V111/0132

One of the Hatch pontoons on the rocks at the lower end of Hells Half Mile
Manuscripts
mssMarston papers V111/0133

Hatch Pontoon in Triplet Rapid. Dinosaur National Monument. The man in the stern is inviting troubles
Manuscripts
mssMarston papers V111/0066

One of Hatch's pontoons bouncing rocks in lower end of Hells Half Mile
Manuscripts
mssMarston papers P005/0810

Bus Hatch pontoon driving directly toward a rock in Hella Half Mile
Manuscripts
mssMarston papers V111/0122
