Undiscovered phosphate resources in the Caribbean region and their potential value for agricultural development /

Published 1985

Assessment of undiscovered phosphate resource potential of the Dominican Republic /

by Sheldon, Richard Porter, 1923-
Published 1986

Report on the Marine Phosphatic Sediments Workshop : February 9-11, 1979, Honolulu, Hawaii U.S.A. /

Published 1979

Progress report on investigations of western phosphate deposits /

by Swanson, Roger Warren, 1914-, McKelvey, V. E. (Vincent Ellis), 1916-, Sheldon, Richard Porter, 1923-
Published 1953

Undiscovered phosphate resources in the Caribbean region and their potential value for agricultural development /

by Sheldon, Richard Porter, 1923-
Published 1985