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gascoyne region

The blackfellow's friend

By Cavan Brown

Hydrogeochemistry of the upper part of the Fort Union group in the Gascoyne lignite strip-mining area, North Dakota

By Robert L. Houghton

Hydrogeochemist[r]y of the upper part of the Fort Union group inthe Gascoyne lignite strip-mining area, North Dakota

By Robert L. Houghton