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Alabama (35 items)
Alaska (65 items)
Arizona (56 items)
Arkansas (31 items)
California (150 items)
Colorado (66 items)
Connecticut (21 items)
Delaware (21 items)
District of Columbia (11 items)
Florida (65 items)
Georgia (30 items)
Hawaii (41 items)
Idaho (33 items)
Illinois (33 items)
Indiana (30 items)
Iowa (25 items)
Kansas (36 items)
Kentucky (26 items)
Louisiana (60 items)
Maine (34 items)
Maryland (29 items)
Massachusetts (30 items)
Michigan (28 items)
Minnesota (32 items)
Mississippi (37 items)
Missouri (41 items)
Montana (58 items)
Nebraska (37 items)
Nevada (54 items)
New Hampshire (22 items)
New Jersey (34 items)
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Ohio (31 items)
Oklahoma (40 items)
Oregon (56 items)
Pennsylvania (35 items)
Rhode Island (23 items)
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Tennessee (31 items)
Texas (66 items)
US hydrologic units (174 items)
USGS Quadrangles (53 items)
Utah (48 items)
Vermont (23 items)
Virginia (39 items)
Washington (73 items)
West Virginia (27 items)
Wisconsin (28 items)
Wyoming (68 items)

Results 41 - 50 of 1209 listed by similarity [list alphabetically]
Suspended-sediment database: daily values of suspended sediment and ancillary data [More info]
Enables searching by state, hydrologic region, basin, time period, and length of record to retrieve suspended sediment data for the United States.
Environment and human health [More info]
Home page for USGS research on the relationship of environment and health with links to fact sheets, reports, projects and programs, Human Health database and meeting and conferences.
National Water Information System (NWISWeb) data for the Nation [More info]
NWISWeb homepage for the National Water Information System providing access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, and Puerto Rico.
PDF Ground-water availability in the United States [More info]
Report examines what is known about the Nation's ground-water availability, and outlines a program of study to improve our understanding of ground-water availability in major aquifers across the Nation. With regional examples.
America's volcanic past - volcanic highlights and features [More info]
Links to volcanism, volcanic history, volcanic rocks, and general geology by state, by region, national parks and national monuments and a brief introduction to volcanism around the U.S. entitled: Windows into the past.
Bird checklists of the United States [More info]
Geographical access to multiple bird checklists developed by others that indicate the seasonal occurrence of birds in a given area. A Record Documentation Form to document supporting details of rare bird observations is also available.
Remote video monitoring [More info]
Links to remote video monitoring field stations with video and water level data, plus links to image processing software tools, processed video examples, and other uses of video descriptions.
Hurricane and extreme storm impact studies: coastal and nearshore mapping with oblique aerial video and still photography [More info]
Information on video and still photography used to supplement laser altimetry measurements of the coast. The photography is used for recognizing geomorphic and cultural features impacted by storms. Links to photo collections of hurricanes and El Nino.
Aquifer basics [More info]
Links to general information on water supply by aquifers based on rock types and to principal national aquifers by name.
Hurricane and extreme storm impact studies: hurricanes, El-NiƱo, & northeasters [More info]
Description of three types of severe coastal storm impacts: hurricane impacts on the southeast U.S., extra-tropical storm impacts on the U.S. west coast during El-Nino winters, and 'northeaster' impacts on the U.S. east coast.
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