Photograph as originally submitted to this page in the Historical Marker Database www.HMdb.org. Click on photo to resize in browser. Scroll down to see metadata.

Photographer: Duane and Tracy Marsteller
Taken: July 3, 2020
Caption: Stop 7: Laramie Formation (68 mya) Clay Pits Fault, Fire Clay Mining, Reclamation Marker Detail
Additional Description: Fig. 2: Sketch map of Figure 4 with sandstone ridges in yellow and Clay Pits Fault in green. Ka=Arapahoe; Kl=Laramine Formation; Kp=Pierre Shale. Area A between 12th Street and West Campus Drive is where the Rubey Mine was largely by surface methods; Area B was by underground mining with entrance near 12th Street. Rubey Mine is largely reclaimed by CSM. The shaft for the White Ash Coal Mine was along 12th Street near Stop 7a.
Submitted: July 14, 2020, by Duane and Tracy Marsteller of Murfreesboro, Tennessee.
Database Locator Identification Number: p530050
File Size: 0.145 Megabytes

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