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Articles 1 - 30 of 39

Full-Text Articles in Stratigraphy

Depositional Environment And Sequence Stratigraphic Interpretation Of Miocene St. Marys Formation, Calvert County, Maryland, John J. Blandin Oct 1996

Depositional Environment And Sequence Stratigraphic Interpretation Of Miocene St. Marys Formation, Calvert County, Maryland, John J. Blandin

OES Theses and Dissertations

The Miocene St. Marys Formation at Calvert Cliffs, Maryland is divided into four depositional packages made up of marine fades representing shallow shelf through intertidal conditions. These depositional packages are separated by five laterally persistent surfaces and were defined based on detailed depositional fades analysis of 24 measured sections, averaging 17 meters thick. These four packages make up two marine sequences, stratigraphic units bound above and below by surfaces of sea level fall. The lower sequence is composed of a single depositional package, while the upper sequence is composed of three upward-shallowing depositional packages (i.e. para-sequences). A fifth depositional package …


Hydrostratigraphy And Allostratigraphy Of The Cenozoic Alluvium In The Northwestern Part Of Las Vegas Valley, Clark County, Nevada, David J. Donovan Aug 1996

Hydrostratigraphy And Allostratigraphy Of The Cenozoic Alluvium In The Northwestern Part Of Las Vegas Valley, Clark County, Nevada, David J. Donovan

UNLV Theses, Dissertations, Professional Papers, and Capstones

This investigation was conducted to determine the location, nature, and boundaries of the most permeable unit within the alluvial aquifer material in Las Vegas Valley. It was prompted by declines in specific capacity of about 90% at the Las Vegas Valley Water District's West Central Well Field. It was hypothesized that the decline in specific capacity resulted from dewatering of the most permeable interval of the alluvium. Lithologic descriptions from wells and aquifer test information were analyzed for geologic and hydrogeologic variability. New information, in the form of detailed unpublished lithologic and hydrologic information, was available from twenty water wells …


Geology Beneath The Primary Management Systems Evaluation Area (Msea) Site Southwest Of Shelton, Buffalo County, Nebraska, Robert F. Diffendal Jr., Frank A. Smith Feb 1996

Geology Beneath The Primary Management Systems Evaluation Area (Msea) Site Southwest Of Shelton, Buffalo County, Nebraska, Robert F. Diffendal Jr., Frank A. Smith

Robert F. Diffendal, Jr., Publications

In 1990, as part of a national presidential initiative on water quality, researchers from the University of Nebraska–Lincoln (UNL) Institute of Agriculture and Natural Resources (IANR) received a multiyear grant from the U.S. Department of Agriculture, Cooperative State Research Service, to study management of irrigated corn and soybeans to minimize groundwater contamination. D. G. Watts, R. F. Spalding, and J.S. Schepers, of the IANR led a study at one of the Management Systems Evaluation Areas (MSEA). This area was made up of two sites, a primary site on a terrace of the Platte River near Shelton and a secondary site …


Burt County Test Hole Logs, Raymond R. Burchett, Frank A. Smith Jan 1996

Burt County Test Hole Logs, Raymond R. Burchett, Frank A. Smith

Conservation and Survey Division

No abstract provided.


Geology Of The Liquid Propane Gas Storage Facility Near Greenwood, Nebraska, R. R. Burchett Jan 1996

Geology Of The Liquid Propane Gas Storage Facility Near Greenwood, Nebraska, R. R. Burchett

Conservation and Survey Division

No abstract provided.


Rural Domestic Well-Water Quality In The Sand Hills, D C. Gosselin Jan 1996

Rural Domestic Well-Water Quality In The Sand Hills, D C. Gosselin

Conservation and Survey Division

No abstract provided.


Regional Hydrogeologic Summaries From Domestic Water-Well Quality In Nebraska -- Hat Creek-White River Drainage Basin, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Hydrogeologic Summaries From Domestic Water-Well Quality In Nebraska -- Hat Creek-White River Drainage Basin, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Analysis Of Rural Domestic Well-Water Quality -- South Central Plains, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Analysis Of Rural Domestic Well-Water Quality -- South Central Plains, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Analysis Of Rural Domestic Well-Water Quality -- East Central Dissected Plains, D. C. Gosselin, X- H. Chen, S. E. Summerside Jan 1996

Regional Analysis Of Rural Domestic Well-Water Quality -- East Central Dissected Plains, D. C. Gosselin, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Analysis Of Rural Domestic Well-Water Quality In The Northeast Glacial Drift Area, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Analysis Of Rural Domestic Well-Water Quality In The Northeast Glacial Drift Area, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Analysis Of Rural Domestic Well-Water Quality -- Southeastern Glacial Drift Area, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Analysis Of Rural Domestic Well-Water Quality -- Southeastern Glacial Drift Area, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Analysis Of Rural Domestic Well-Water Quality -- Platte River Valley, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Analysis Of Rural Domestic Well-Water Quality -- Platte River Valley, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- Sand Hills, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- Sand Hills, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- South Central Plains, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- South Central Plains, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Groundwater-Level Changes In Nebraska, Predevelopment To Spring 1994, Mack Ann, Jim Weir, Jennifer Sharpe Jan 1996

Groundwater-Level Changes In Nebraska, Predevelopment To Spring 1994, Mack Ann, Jim Weir, Jennifer Sharpe

Conservation and Survey Division

No abstract provided.


Registered Irrigation Wells In Nebraska-Summer 1995, Mack Ann, Jim Weir, Jennifer Sharpe Jan 1996

Registered Irrigation Wells In Nebraska-Summer 1995, Mack Ann, Jim Weir, Jennifer Sharpe

Conservation and Survey Division

No abstract provided.


Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- Missouri River Lowlands, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- Missouri River Lowlands, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Annual Departures From Average Annual Precipitation In Nebraska, 1876-1995/ Annual Installation Of Irrigation Wells (1937-1995), Conservation Survey Division Jan 1996

Annual Departures From Average Annual Precipitation In Nebraska, 1876-1995/ Annual Installation Of Irrigation Wells (1937-1995), Conservation Survey Division

Conservation and Survey Division

No abstract provided.


Polk County Test Hole Logs, Raymond R. Burchett, Frank A. Smith Jan 1996

Polk County Test Hole Logs, Raymond R. Burchett, Frank A. Smith

Conservation and Survey Division

No abstract provided.


Resource News-Spring 1996 Jan 1996

Resource News-Spring 1996

Conservation and Survey Division

No abstract provided.


Data On Mineral Production In Nebraska, R. R. Burchett, D. Mohlman Jan 1996

Data On Mineral Production In Nebraska, R. R. Burchett, D. Mohlman

Conservation and Survey Division

No abstract provided.


North Central Tablelands Hydrogeologic Summary From Domestic Well-Water Quality In Rural Nebraska, D C. Gosselin Jan 1996

North Central Tablelands Hydrogeologic Summary From Domestic Well-Water Quality In Rural Nebraska, D C. Gosselin

Conservation and Survey Division

No abstract provided.


Regional Hydrogeologic Summaries From Domestic Water-Well Quality In Nebraska -- North Central Tablelands, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Hydrogeologic Summaries From Domestic Water-Well Quality In Nebraska -- North Central Tablelands, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Analysis Of Rural Domestic Well-Water Quality -- Northern Panhandle Tablelands, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Analysis Of Rural Domestic Well-Water Quality -- Northern Panhandle Tablelands, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Analysis Of Rural Domestic Well-Water Quality -- Southern Panhandle Tablelands, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Analysis Of Rural Domestic Well-Water Quality -- Southern Panhandle Tablelands, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Analysis Of Rural Domestic Well-Water Quality -- North Central Tablelands, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Analysis Of Rural Domestic Well-Water Quality -- North Central Tablelands, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- Platte River Valley, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- Platte River Valley, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- Southwestern Tablelands, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- Southwestern Tablelands, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- Northern Panhandle Tablelands, D. C. Gosselin, J. Headrick, X-H. Chen, S. E. Summerside Jan 1996

Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- Northern Panhandle Tablelands, D. C. Gosselin, J. Headrick, X-H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- Republican River Valley And Dissected Plains, D. C. Gosselin, J. Headrick, X-H. Chen, S. E. Summerside Jan 1996

Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- Republican River Valley And Dissected Plains, D. C. Gosselin, J. Headrick, X-H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.