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Heeding Geologic Advice
Guidelines for Preparing Geologic Reports
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00 percent acres adsorbed agricultural alachlor Alfalfa aquatic atrazine average bed sediments Category total area chemical chlordane colloid Corn cropland cruises decrease downriver downstream drinking water Environmental Protection Agency Everglades fertilizers Figure Florida Bay flow geologic hazards geologic studies Geological Survey Open-File geologist glacier mass balance grains Graphs showing Gulf of Mexico harvested heavy metals herbicides hexachlorobenzene hydrologic Iowa Lake Pepin land Lower Mississippi River major tributaries mass balance measured mercury mg/L Minneapolis Minneapolis-St Minnesota Missouri River navigation pools nitrate Number nurseries nutrients Ohio River orchard organic carbon organic contaminants PCBs percent Category total Percentage of national pesticides reefs region river kilometer River Waters runoff sewage shown sorghum sources Soybeans surface Survey Open-File Report suspended sediment tion total area Percentage toxic transport U.S. Department U.S. Environmental Protection U.S. Geological Survey ug/L Upper Mississippi River upriver USGS wastewater water discharge water quality water-quality Wheat