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1 April 1989
Article Contents
Index Terms/Descriptors
- boulders
- Brule Formation
- Cenozoic
- Chadron Formation
- clastic rocks
- clastic sediments
- cobbles
- conglomerate
- Dunn County North Dakota
- Harding County South Dakota
- lower Oligocene
- North Dakota
- Oligocene
- Paleogene
- sedimentary rocks
- sediments
- Slope County North Dakota
- South Dakota
- Stark County North Dakota
- stratigraphy
- Tertiary
- United States
- White River Group
- Chalky Buttes
- Killdeer Mountains
- Little Badlands
- northwestern South Dakota
- Rainy Buttes
- Reva Gap
- Short Pine Hills
- Slim Buttes
- southwestern North Dakota
- White Butte
Latitude & Longitude
