01032cam a22002771 4500 gs 13000528 DLC 20260227111314.0 791002s1913 enka f000 0 eng c gs 13000528 (OCoLC)5455710 U.S. Geol. survey. Library. NIC DLC premarc TN808.G6 G5 520 s Gibson, Walcot, 1864-1941. The concealed coalfield of Yorkshire and Nottinghamshire, by Walcot Gibson. London, Printed for H.M. Stationery off., by Darling & son. ltd., 1913. vi, 122 p. fold. map. diagrs. (2 fold.) 25 cm. [Gt. Brit. Geological survey] Memoirs of the Geological survey, England and Wales Published by order of the lords commissioners of His Majesty's treasury. Coal England Yorkshire. Coal England Nottinghamshire. Geology England Yorkshire. Geology England Nottinghamshire. 25277 25277