Found 271 datasets matching "Great Valley".
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A total of 36 visual encounter quadrat surveys were conducted at a subset of study sites in the Great Valley between April and July 2016. A time-constrained search of 1 hour was conducted within a...
Search relevance: 121.33 | Views last month: 0 -
Geodatabase feature class containing a map of vegetation within the Great Valley Ecoregion produced by the Geographical Information Center (GIC) at CSU Chico. The dataset combines both new mapping...
Search relevance: 119.54 | Views last month: 0 -
Geodatabase feature class containing a map tile of vegetation within the Great Valley Ecoregion. The vegetation tile combines these datasets: Great Valley Ecoregion [ds2632], Central Valley Flood...
Search relevance: 116.55 | Views last month: 0 -
This data release contains deep seismic reflection profiles CC-1 and CC-2, which extend eastward from within the California Coast Ranges across the Great Valley and into the Sierran foothills,...
Search relevance: 112.59 | Views last month: 2 -
All datasets and products specific to the Steptoe Valley model area. Includes a packed ArcMap project (.mpk), individually zipped shapefiles, and a file geodatabase for the northern Steptoe Valley...
Search relevance: 95.13 | Views last month: 0 -
Transient electromagnetic (TEM) soundings were made in the San Luis Valley, Colorado, to map the location of a blue clay unit as well as to investigate the presence of suspected faults. A total of...
Search relevance: 93.45 | Views last month: 0 -
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude, altitude, and...
Search relevance: 89.45 | Views last month: 0 -
The U.S. Geological Survey (USGS) in cooperation with the Miami Conservancy District, Dayton, Ohio, investigated the concentrations of per- and polyfluoroalkyl substances (PFAS) and related water...
Search relevance: 87.53 | Views last month: 0 -
The U.S. Geological Survey (USGS) in cooperation with the Miami Conservancy District, Dayton, Ohio, in 2019 and 2020 collected and analyzed groundwater samples to describe concentrations of per-...
Search relevance: 86.92 | Views last month: 1 -
The U.S. Geological Survey (USGS), in cooperation with the Miami Conservancy District, Dayton, Ohio, in 2019 and 2020 investigated the concentrations of per- and polyfluoroalkyl substances (PFAS)...
Search relevance: 82.96 | Views last month: 0 -
James W. Sewall Company used its standard photointerpretation and ortho-mapping workflow on 112K acres across the North Atlantic - Appalachian region. Refuges include: Block Island, Canaan...
Search relevance: 82.38 | Views last month: 0 -
These data represent 2 years of plant clipping data in areas with elk plus bison and areas of elk only in the San Luis Valley of Colorado, USA from 2006-2008. Clipping plots were measured...
Search relevance: 78.67 | Views last month: 0 -
The U.S. Geological Survey (USGS), in cooperation with the Miami Conservancy District, Dayton, Ohio, in 2019 and 2020 investigated concentrations of per- and polyfluoroalkyl substances (PFAS) in...
Search relevance: 74.56 | Views last month: 1 -
The U.S. Geological Survey (USGS), in cooperation with the Miami Conservancy District, Dayton, Ohio, in 2019 and 2020 investigated concentrations of per- and polyfluoroalkyl substances (PFAS) in...
Search relevance: 74.41 | Views last month: 1 -
A previously constructed numerical model (https://pubs.usgs.gov/pp/2007/1737a/) simulating the regional groundwater-flow system in the vicinity of the Wright-Patterson Air Force Base (WPAFB)...
Search relevance: 74.18 | Views last month: 0 -
A new version of previously published steady-state numerical groundwater flow models of the Great Basin carbonate and alluvial aquifer system (GBCAAS), and was developed in conjunction with U.S....
Search relevance: 74.01 | Views last month: 1 -
The U.S. Geological Survey (USGS) in cooperation with the Miami Conservancy District, Dayton, Ohio, investigated concentrations of per- and polyfluoroalkyl substances (PFAS) in groundwater from...
Search relevance: 71.13 | Views last month: 0 -
Warm Springs Valley/Western Great Basin - Greater Sage-Grouse Wildfire, Invasive Annual Grasses, and Conifer Expansion Assessment Document, March 2015. The FIAT assessments were developed using...
Search relevance: 70.47 | Views last month: 0 -
Multiple research and management partners collaboratively developed a multiscale approach for assessing the geomorphic sensitivity of streams and ecological resilience of riparian and meadow...
Search relevance: 69.73 | Views last month: 0 -
This data release presents results of chemical analyses of groundwater sampled during summer and autumn of 2019 and spring of 2020 from 23 wells in the Great Miami buried-valley aquifer (GM-BVA)...
Search relevance: 69.54 | Views last month: 0
