Martha E. Thagard Donald W. Foose 1981 <p>This index contains a list of active data-collection sites in Florida operated by the U.S. Geological Survey in cooperation with local, State, and Federal agencies during the period from October 1, 1980 through September 30, 1981. It is an update of "Index to Active Hydrologic Data Collection Sites in Florida, 1978-79" by J. D. Simmons, 1980, which was released as U.S. Geological Survey Open-File Report 80-220. The index shows the location of the site, the cooperator or cooperators supporting the data collection activities, the type and frequency of data collection, and the U.S. Geological Survey office responsible for collecting and processing the data.</p> application/pdf 10.3133/ofr81813 en U.S. Geological Survey Index to active hydrologic data collection sites in Florida, 1980-81 reports