TY - BOOK AU - Herring, J. R. CN - I 19.76: CY - [Denver, CO] : DA - 1991] ID - 199621 KW - Phosphate minerals KW - Geology, Stratigraphic N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 92-2538-M. PB - U.S. Dept. of the Interior, U.S. Geological Survey : PB - [Books and Open-File Report Section, distributor, PP - [Denver, CO] : PY - 1991] T1 - Size analysis, visual estimation of phosphate and other minerals, and preliminary estimation of recoverable phosphate in size fractions of sediment samples from drillholes GAT-90, Tybee Island, and GAS-90-2, Skidaway Island, Georgia TI - Size analysis, visual estimation of phosphate and other minerals, and preliminary estimation of recoverable phosphate in size fractions of sediment samples from drillholes GAT-90, Tybee Island, and GAS-90-2, Skidaway Island, Georgia VL - 91-586 ER -