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Water resources data, Florida, water year 1989. Volume 1B: Northeast Florida ground water
Water Resources Division, U.S. Geological Survey
1989, Water Data Report FL-89-1B
Water resources data for the 1989 water year in Florida consist of continuous or daily discharge for 295 streams, periodic discharge for 36 streams, miscellaneous discharge for 75 streams, continuous or daily stage for 154 streams, continuous daily tide stage for 12 sites, periodic stage for 13 streams, peak discharge...
Gold in placer deposits
Warren Yeend, Daniel R. Shawe, Kenneth L. Wier
1989, Bulletin 1857-G
Man most likely first obtained gold from placer deposits, more than 6,000 years ago. Placers account for more than two-thirds of the total world gold supply, and roughly half of that mined in the States of California, Alaska, Montana, and Idaho.Placer deposits result from weathering and release of gold from...
Gold deposits in metamorphic rocks: Part I
Ed DeWitt, Jerome Waegli, Thomas D. Light, David A. Brew, Roger P. Ashley
1989, Bulletin 1857-D
Contents Gold in the United Verde massive sulfide deposit, Jerome, Arizona The Alaska-Juneau and Treadwell lode gold systems, southeastern Alaska...