Subject ASC000091g
Midland naturalist.
v.4 1881, Page 29 (1881)
Mertz Library, The New York Botanical Garden
BHL Page 14315073
Keywords
Analysis Doxalll grit over Coal Stone close over coal Analysis of Doxall grit geology Analysis of stone chart The Bristol Coalfield Analysis of the Doxall Grit No. 1. - Stone not close over coal The Bristol Coalfield Analysis of the Doxall Grit No. 2. - Stone close over coal Bristol Coalfields minerals coal stone composition Analysis of stone Bristol coalfield Doxall grit Doxall grit analysis silica alumina iron lime carbon carbonic acid magnesia water sulphur phosphorus manganese solubility in acid doxall grit stone close over coal water manganese doxall grit analysis