Found 49 datasets matching "Cambrian-Ordovician".
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This data set represents the extent of the Cambrian-Ordovician aquifer system in the states of Wisconsin, Michigan, Minnesota, Iowa, and Illinois.
Search relevance: 283.39 | Views last month: 4 -
This geodatabase includes spatial datasets that represent the Cambrian-Ordovician aquifer system in the States of Wisconsin, Michigan, Minnesota, Iowa, and Illinois. Included are: (1) a...
Search relevance: 225.55 | Views last month: 1 -
This dataset captures in digital form previously published maps showing the inferred extent and subsurface elevation of several Paleozoic consolidated rock units in the northern Midwest of the...
Search relevance: 201.83 | Views last month: 1 -
High radium (Ra) concentrations in potable portions of the Cambrian-Ordovician (C-O) aquifer system were investigated using water-quality data and environmental tracers ( 3H, 3Hetrit, SF6 , 14C...
Search relevance: 166.50 | Views last month: 0 -
High radium (Ra) concentrations in potable portions of the Cambrian-Ordovician (C-O) aquifer system were investigated using water-quality data and environmental tracers ( 3H, 3Hetrit, SF6 , 14C...
Search relevance: 160.66 | Views last month: 0 -
High radium (Ra) concentrations in potable portions of the Cambrian-Ordovician (C-O) aquifer system were investigated using water-quality data and environmental tracers ( 3H, 3Hetrit, SF6 , 14C...
Search relevance: 139.62 | Views last month: 0 -
High radium (Ra) concentrations in potable portions of the Cambrian-Ordovician (C-O) aquifer system were investigated using water-quality data and environmental tracers ( 3H, 3Hetrit, SF6 , 14C...
Search relevance: 132.46 | Views last month: 0 -
Information of hydrogeologic and geologic importance from the book, "Lithofacies Maps: An Atlas of the United States and Southern Canada" (Sloss and others, 1960) detailing geologic periods,...
Search relevance: 101.60 | Views last month: 0 -
This model is a preliminary characterization of trichloroethene transport in the surficial and Cambrian-Ordovician aquifer systems at the Naval Industrial Reserve Ordnance Plant in Fridley,...
Search relevance: 91.31 | Views last month: 0 -
The geology of an area of 660 square miles mostly in the northeastern corner of Tennessee and small adjacent areas in Virginia and North Carolina is the subject of this report. The region lies...
Search relevance: 84.99 | Views last month: 1 -
Three groundwater flow models (KMS model, Pumping Test model, and Modified LMB model) were developed for the Kettle Moraine Springs State Fish Hatchery using the U.S. Geological Survey codes...
Search relevance: 66.39 | Views last month: 0 -
This dataset includes a Microsoft Excel file, and a *.csv and a *.txt version of the Excel file, that contain location and groundwater-level data for wells open to the Valley and Ridge carbonate...
Search relevance: 62.02 | Views last month: 0 -
This 1:24,000-scale geologic map includes new geologic mapping as well as compilation and revision of previous geologic maps. Field investigations were conducted from 2009-2011, while also...
Search relevance: 61.88 | Views last month: 0 -
The USGS Central Region Energy Team assesses oil and gas resources of the United States. The onshore and State water areas of the United States comprise 71 provinces. Within these provinces,...
Search relevance: 52.83 | Views last month: 0 -
Cell maps for each oil and gas assessment unit were created by the USGS to illustrate the degree of exploration, type of production, and distribution of production in an assessment unit or...
Search relevance: 51.81 | Views last month: 0 -
The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of...
Search relevance: 51.25 | Views last month: 1 -
The Total Petroleum System is used in the National Assessment Project and incorporates the Assessment Unit, which is the fundamental geologic unit used for the assessment of undiscovered oil and...
Search relevance: 49.52 | Views last month: 0 -
We developed a methodology to estimate maximum brine injection rates in subsurface formations across wide geographic areas using inverse modeling-based optimization techniques. We first defined...
Search relevance: 47.49 | Views last month: 0 -
This data release serves as a model archive associated with an upcoming journal article. It contains all the input and output files from, as well as explanatory information about, numerical...
Search relevance: 46.26 | Views last month: 0 -
Karst hydrologic systems are important resources in the state of Tennessee both as drinking water resources and as centers for possible biological diversity. These systems are susceptible to...
Search relevance: 46.00 | Views last month: 0
