Geology topics
Publications and source records attributed to Howard Perlman.
The U.S. Geological Survey (USGS) and the Food and Agriculture Organization of the United Nations (FAO) have created a water-cycle diagram for use in elementary and middle schools . The diagram is available in many languages. This diagram is part of the USGS's Water Science School , in which the water cycle is described in detail .
Sediment data have been collected regularly in Georgia by the U.S. Geological Survey since 1957. The data were collected in cooperation with a number of State and Federal agencies. The frequency of data collection varied and several sampling methodologies were used. This report presents suspended-sediment-concentration data for 179 sites, suspended-sediment particle-size for 16 sites, and bed-material particle-size data for 19 sites collected from October 1957 to September 1982. (USGS)