2007-01-032022-02-032007-01-032022-02-03https://hdl.handle.net/11124/9987Date scanned: 2000-10-19.Identifier: SC802.Related photographs: SC803 and SC804.Unmounted.Held in the Russell L. and Lyn Wood Mining History Archive, Arthur Lakes Library, Colorado School of Mines.Photograph showing a bulldozer excavating in the clay pits at the Colorado School of Mines. The clay pits are part of the Cretaceous Period Laramie Formation.Rights management statement available at: http://library.mines.edu/digital/rights.htmlColorado School of MinesClay mines and miningStillImage