Robert Welker Elements:
Two Medicine Creek, Glacier National Park, MT
Robert Welker Elements:
Two Medicine Creek (1), Glacier National Park, MT
Robert Welker Elements:
Cloud Series (2), WY
Robert Welker Elements:
Mud Pot (1), Yellowstone National Park, WY
Robert Welker Elements:
Cave Lichen, Craters of the Moon, ID
Robert Welker Elements:
Sunset Cloud, Brooks Lake, WY
Robert Welker Elements:
Igneous Stone (7),Craters of the Moon, ID
Robert Welker Elements:
Flame (2), Green River Lakes, WY
Robert Welker Elements:
Mineral Pool, Thermopolis, WY
Robert Welker Elements:
Igneous Stone (1), Craters of the Moon, ID
Robert Welker Elements:
Cloud Series (3), Badlands, SD
Robert Welker Elements:
Flame (1), Green River Lakes, WY
Robert Welker Elements:
Two Medicine Creek (5), Glacier National Park, MT
Robert Welker Elements:
Mineral Stream, Thermopolis, WY
Robert Welker Elements:
Natural Gestalt Ambiguous Figure-Concave or Convex?
Robert Welker Elements:
Two Medicine Creek (2, Glacier National Park, MT)
Robert Welker Elements:
Cloud Reflection, Green River Lakes, WY
Robert Welker Elements:
Sandstone (1), Point Lobos, CA
Robert Welker Elements:
Cloud Series (4), WY
Robert Welker Elements:
Igneous Stone (6), Craters of the Moon, ID
Robert Welker Elements:
Sandstone (2), Point Lobos, CA
Robert Welker Elements:
Thunderhead (2), Keyhole Reservoir, WY
Robert Welker Elements:
Igneous Stone (5), Craters of the Moon, ID
Robert Welker Elements:
Igneous Stone (3), Craters of the Moon, ID
Robert Welker Elements:
Thunderhead (3), Keyhole Reservoir, WY
Robert Welker Elements:
Igneous Stone (4), Craters of the Moon, ID
Robert Welker Elements:
Parched Clay, Badlands National Park, SD
Robert Welker Elements:
Parched Clay at Sunset, Badlands National Park, SD
Robert Welker Elements:
Cave Lichen (2), Craters of the Moon, ID
Robert Welker Elements:
Cloud Series (1), Jackson, MN
