Found 151 datasets matching filters.
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In freshwater bodies of New Hampshire, the most problematic aquatic invasive plant species is Myriophyllum heterophyllum or variable leaf water-milfoil. Once established, variable leaf...
Search relevance: 1.00 | Views last month: 8 | Published on: 2026-03-03 -
The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that mapped the Quaternary geologic...
Search relevance: 1.00 | Views last month: 6 | Published on: 2026-03-03 -
Two 21-day field operations were conducted in 1997 and 1998 in the estuaries and on the inner continental shelf off the northern Oregon and southern Washington coast. These cruises aboard the R/V...
Search relevance: 1.00 | Views last month: 5 | Published on: 2026-03-03 -
These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
Accurate data and maps of sea-floor geology are important first steps toward protecting habitat, delineating marine resources, and assessing environmental changes due to natural or human effects....
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
A geophysical and geological survey was conducted at the mouth of the Connecticut River from Old Saybrook to Essex, Connecticut, in September 2012. Approximately 230 linear kilometers of digital...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic mapping to characterize the sea...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey, Coastal and Marine Geology Program, Woods...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
A two-week field operation was conducted in the John Day Reservoir on the Columbia River to image the floor of the pool, to measure the distribution and thickness of post-impoundment sediment, and...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
This Image Gallery is provided as a complimentary source of high-quality digital photographs available from the Agricultural Research Service information staff. Photos, (over 2,000 .jpegs) in the...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-01-27 -
The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that mapped the Quaternary geologic...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that mapped the Quaternary geologic...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
Accurate data and maps of sea-floor geology are important first steps toward protecting habitat, delineating marine resources, and assessing environmental changes due to natural or human effects....
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
Lake Mead is a large interstate reservoir located in the Mojave Desert of southeastern Nevada and northwestern Arizona. It was impounded in 1935 by the construction of Hoover Dam and is one of a...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
In 2008, as a collaborative effort between Woods Hole Oceanographic Institution and the U.S. Geological Survey, 20 giant gravity cores were collected from areas surrounding Puerto Rico and the...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
This dataset contains images obtained from unmanned aerial systems (UAS) flown in the Cape Cod National Seashore. The objective of the field work was to evaluate the quality and cost of mapping...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
In freshwater bodies of New Hampshire, the most problematic aquatic invasive plant species is Myriophyllum heterophyllum or variable leaf water-milfoil. Once established, variable leaf...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
Two 21-day field operations were conducted in 1997 and 1998 in the estuaries and on the inner continental shelf off the northern Oregon and southern Washington coast. These cruises aboard the R/V...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
SEABOSS Images from U.S. Geological Survey (USGS) Cruises 2009-059-FA and 2010-010-FA in JPEG Format
The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA) and the Connecticut Department of Energy and Environmental Protection (CT DEEP),...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03