Clark Harris in Colorado:
Bismarck North Dakota
Clark Harris in Colorado:
Stones in piles of glacier erratics
Clark Harris in Colorado:
Stones in piles of glacier erratics
Clark Harris in Colorado:
Stones in piles of glacier erratics
Clark Harris in Colorado:
Epping North Dakota
Clark Harris in Colorado:
Epping North Dakota
Clark Harris in Colorado:
Epping North Dakota
Clark Harris in Colorado:
Epping North Dakota
Clark Harris in Colorado:
Medora ND
Clark Harris in Colorado:
Medora ND
Clark Harris in Colorado:
Williston State College
Clark Harris in Colorado:
Williston State College
Clark Harris in Colorado:
Williston State College
Clark Harris in Colorado:
Williston North Dakota
Clark Harris in Colorado:
Williston North Dakota
Clark Harris in Colorado:
Oil rigs in Williston North Dakota
Clark Harris in Colorado:
Oil rigs in Williston North Dakota
Clark Harris in Colorado:
Oil rigs in Williston North Dakota
Clark Harris in Colorado:
Bismarck North Dakota
Clark Harris in Colorado:
Bismarck North Dakota
Clark Harris in Colorado:
Bismarck North Dakota
Clark Harris in Colorado:
Bismarck State College
Clark Harris in Colorado:
Bismarck State College