Subject ASC0003yko

The geologist : a popular monthly magazine of geology.
v.3 (1860), Page 329 (1860)
American Museum of Natural History Library
BHL Page 47622297

Keywords

section oblique sand pipe south side quarry gravel clay boulder Geology cross section quarry. strata sand-pipes cross-section limestone Durham geology Kirkby Magnesian Limestone England soil ground layers

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