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Color slide image (double-exposure showing the members of the Hatch-Eggert Expedition at the Powell Monument near Green River, Wyoming, before heading down the Green and Colorado rivers in 195
Photo of the John Wesley Powell monument at Green River, Wyoming. Taken by Dr. Robert Parsons befor...
Photo of a scene along the Green River in Wyoming, near beginning of the Eggert-Hatch expedition in ...
Photo of a scene along the Green River in Wyoming, near beginning of the Eggert-Hatch expedition in ...
Color slide image (double-exposure showing the members of the Hatch-Eggert Expedition at the Powell ...
Color slide image showing the John Wesley Powell monument at Green River, Wyoming, at the start of t...
Color slide image showing the open, parklike country near Green River, Wyoming, before the Hatch-Egg...
Photo of a scene along the Green River below the town of Green River, Wyoming, during the Eggert-Hat...
Photo shows a sunset at Green River, Wyoming, at the beginning of the Hatch-Eggert Expedition of 195
Photo of a scene along the Green River in Wyoming, near beginning of the Eggert-Hatch expedition in ...
Color slide image showing a scene on the Colorado River in the Grand Canyon during the Hatch-Eggert ...
Color slide image showing the Crystal Geyser near Green River, Utah, during the Hatch-Eggert Expedit...
Photo of the John Wesley Powell monument at Green River, Wyoming. Taken by Dr. Robert Parsons befor...
Photo of a scene along the Green River in Wyoming, near beginning of the Eggert-Hatch expedition in ...
Photo of a scene along the Green River in Wyoming, near beginning of the Eggert-Hatch expedition in ...
Color slide image (double-exposure showing the members of the Hatch-Eggert Expedition at the Powell ...
Color slide image showing the John Wesley Powell monument at Green River, Wyoming, at the start of t...
Color slide image showing the open, parklike country near Green River, Wyoming, before the Hatch-Egg...
Photo of a scene along the Green River below the town of Green River, Wyoming, during the Eggert-Hat...
Photo shows a sunset at Green River, Wyoming, at the beginning of the Hatch-Eggert Expedition of 195
Photo of a scene along the Green River in Wyoming, near beginning of the Eggert-Hatch expedition in ...
Color slide image showing a scene on the Colorado River in the Grand Canyon during the Hatch-Eggert ...
Color slide image showing the Crystal Geyser near Green River, Utah, during the Hatch-Eggert Expedit...
Photo of the John Wesley Powell monument at Green River, Wyoming. Taken by Dr. Robert Parsons befor...
Photo of a scene along the Green River in Wyoming, near beginning of the Eggert-Hatch expedition in ...
Photo of a scene along the Green River in Wyoming, near beginning of the Eggert-Hatch expedition in ...