Report on the Groete Creek and Mariwa Goldfields of the Lower Essequibo and Lower Cuyuni Rivers /

by Bryn, Davies,

Additional authors: Bishopp, Douglas Wallace, -- 1900 - -- Report on the occurence of manganese ore at Saxacalli... Series: (British Guiana: Geological Survey Bulletin, . no. 6) Published by : Geological Survey, (Georgetown:) Physical details: (21) p. Subject(s): Minerology -- British Guiana. | Manganese -- British Guiana. Year: 1936 Reviews from LibraryThing.com: