Subject ASC000094x

Midland naturalist.
v.4 1881, Page 62 (1881)
Mertz Library, The New York Botanical Garden
BHL Page 14315108

Keywords

semi argillaceous coal duns shale analysis soil composition Bristol Coalfield Shales Silica Alumina Iron Lime Carbonaceous Matter Carbonic Acid Manganese Sulphur Water Geology Shales and Duns Chemical composition Holmes quarry Great Vein Little Vein minerals Holmes Quarry geology grit Shale Duns Quarry Mining Minerals Metal Grit Stone Elements Analysis Vein Bristol coal field

Contributors

Species