...hes of draw slate ovelain by 4 inches of black shale and 18 inches of gray shale. No horsebacks were found in this mine before 1918, which is rare in this a
|Company=Warsaw Coal Company
5 KB (651 words) - 16:56, January 17, 2023
|Seam=Warsaw Shale
|Seam=Springville Shale
2 KB (277 words) - 15:25, September 16, 2021
|Seam=Warsaw Shale
|Seam=Springville Shale
2 KB (281 words) - 15:23, September 16, 2021
|Seam=Warsaw Shale
|Seam=Springville Shale
2 KB (293 words) - 16:42, September 16, 2021
|Seam=Warsaw Shale
|Seam=Springville Shale
2 KB (316 words) - 08:50, September 17, 2021
