| P number: | P207918 |
|---|---|
| Old photograph number: | A07996 |
| Caption: | Thacker Barn opencast site, 1 m. E. of West Hallam Church. |
| Description: | Thacker Barn opencast site, 1 m. E. of West Hallam Church. Opencast coal series. Forward preparation - drilling. When the overburden on the coal is sandstone, or other material difficult to dig, it has to be loosened by blasting. Here is the first stage of forward preparation, the drilling of 40 ft. 4? in. horizontal holes in the mudstone immediately above the Tupton Coal. |
| Date taken: | Tue Jun 05 00:00:00 BST 1945 |
| Photographer: | Rhodes, J. |
| Copyright statement: | Crown |
| X longitude/easting: | 444500 |
| Y latitude/northing: | 340500 |
| Coordinate reference system, ESPG code: | 27700 (OSGB 1936 / British National Grid) |
| Orientation: | Landscape |
| Size: | 279.48 KB; 1000 x 715 pixels; 85 x 61 mm (print at 300 DPI); 265 x 189 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Unsorted Images, Geoscience subjects/ Economic geology/ Quarries, Geoscience subjects/ Economic geology/ Quarries, opencast |
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