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Articles 601 - 630 of 1015
Full-Text Articles in Hydrology
Archaeological Investigations For Proposed Trail Rehabilitation Within Mammoth Cave, Steven R. Ahler, George M. Crothers
Archaeological Investigations For Proposed Trail Rehabilitation Within Mammoth Cave, Steven R. Ahler, George M. Crothers
Mammoth Cave Research Symposia
In 2008, staff from the University of Kentucky Program for Archaeological Research (UK-PAR) and the Illinois State Museum Society (ISMS) conducted archaeological and paleontological investigations at Mammoth Cave National Park in advance of proposed rehabilitation of 40,499 linear feet of selected trail segments within Mammoth Cave. This presentation focuses on the results of archaeological investigations conducted within Mammoth Cave and is confined to discussion of the prehistoric materials. These materials were confined to the upper and lower passages of the Historic Tour, the Lantern Tour, and Gothic Avenue trails
The History And Conservation Of Saltpeter Works In Mammoth Cave, Kentucky, George M. Crothers, Christina A. Pappas, Christian D. Mittendorf
The History And Conservation Of Saltpeter Works In Mammoth Cave, Kentucky, George M. Crothers, Christina A. Pappas, Christian D. Mittendorf
Mammoth Cave Research Symposia
Remains of the saltpeter mining operation in Mammoth Cave are a significant feature of several cave tours and figure prominently in the history of cave use. We undertook a comprehensive review of existing historical descriptions and recent archaeological investigations to construct the most reasonable account of how the saltpeter operation worked and assess its current conditions. At least three types of saltpeter vats were constructed in the cave reflecting an increase in the size of the operation and efficiency of processing sediments over time. Remains of three pump towers are also found in the cave in various states of preservation. …
The Mammoth Cave Mushroom Company: A Brief History Of A Short-Lived Venture, Katie Algeo
The Mammoth Cave Mushroom Company: A Brief History Of A Short-Lived Venture, Katie Algeo
Mammoth Cave Research Symposia
The Mammoth Cave Mushroom Company was formed in August 1881 during a particularly contentious period of family struggle for control of the cave, its resources, and tourism operations. This paper documents the history of the company from original company records and family letters. It places the Mammoth Cave operation within the larger historical context of mushroom production in caves as possibly the first such operation in the United States. It traces developments at the cave during the fall of 1881 as Anthony Muzarelli oversaw preparation of mushroom beds and supporting infrastructure and identifies sources of tension between the new mushroom …
Mammoth Cave National Park's 10th Research Symposium: Celebrating Diversity Of Research In The Mammoth Cave Region, Shannon Trimboli ,Editor
Mammoth Cave National Park's 10th Research Symposium: Celebrating Diversity Of Research In The Mammoth Cave Region, Shannon Trimboli ,Editor
Mammoth Cave Research Symposia
No abstract provided.
U.S. Drought Monitor, February 12, 2013, Michael J. Brewer, Liz Love-Brotak
U.S. Drought Monitor, February 12, 2013, Michael J. Brewer, Liz Love-Brotak
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for February 12, 2013 (2/12/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
U.S. Drought Monitor, February 5, 2013, Michael J. Brewer, Liz Love-Brotak
U.S. Drought Monitor, February 5, 2013, Michael J. Brewer, Liz Love-Brotak
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for February 5, 2013 (2/5/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
U.S. Drought Monitor, January 29, 2013, Mark D. Svoboda
U.S. Drought Monitor, January 29, 2013, Mark D. Svoboda
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for January 29, 2013 (1/29/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
U.S. Drought Monitor, January 22, 2013, Mark D. Svoboda
U.S. Drought Monitor, January 22, 2013, Mark D. Svoboda
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for January 22, 2013 (1/22/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
U.S. Drought Monitor, January 15, 2013, David Simeral
U.S. Drought Monitor, January 15, 2013, David Simeral
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for January 15, 2013 (1/15/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
U.S. Drought Monitor, January 8, 2013, David Simeral
U.S. Drought Monitor, January 8, 2013, David Simeral
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for January 8, 2013 (1/8/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
Robert B. Daugherty Water For Food Institute Annual Report 2012-2013, Monica Norby, Gillian Klucas
Robert B. Daugherty Water For Food Institute Annual Report 2012-2013, Monica Norby, Gillian Klucas
Daugherty Water for Food Global Institute: Administrative Materials
The Robert B. Daugherty Water for Food Institute was founded in 2010 to address the global challenge of achieving food security with less pressure on water resources through improved management of water in agricultural and food systems. We are committed to ensuring a water and food secure world without compromising the use of water for other human and environmental needs. Our approach is to extend the University of Nebraska’s expertise through strong partnerships with other universities and public and private sector organizations. Together we are developing research, education and engagement programs in a focused effort to increase food security while …
U.S. Drought Monitor, January 1, 2013, Richard R. Heim Jr.
U.S. Drought Monitor, January 1, 2013, Richard R. Heim Jr.
United States Agricultural Commodities in Drought Archive
Drought map of the United States for January 1, 2013 (1/1/13) plus: United States crop areas experiencing drought (map), an approximate percentage of crop located in drought by state (bar graph), and the percentage of crop area located in drought during the past 52 weeks (line graph) for hay, cattle, and winter wheat.
Swat Model Simulation Of Bioenergy Crop Impacts In A Tile-Drained Watershed, Chelsie Marie Werling Boles
Swat Model Simulation Of Bioenergy Crop Impacts In A Tile-Drained Watershed, Chelsie Marie Werling Boles
Open Access Theses
Tile drains are an important component of agricultural production in the Midwest, and their inclusion in modeling studies is important in watersheds where they are a principal hydrologic pathway. The new tile drainage simulation method in the Soil Water Assessment Tool (SWAT) was parameterized and tile flow results were compared with reviewed literature. Streamflow, sediment, and nutrient outputs were compared to measured values and simulated crop yields were examined with respect to average county yields. Plant growth stressors were examined to account for differences between simulated and published yields. The bioenergy crop switchgrass (Panicum virgatum) was applied over …
U.S. Drought Monitor, December 25, 2012, Richard R. Heim Jr.
U.S. Drought Monitor, December 25, 2012, Richard R. Heim Jr.
United States Agricultural Commodities in Drought Archive
Drought map of the United States for December 25, 2012 (12/25/12) plus: United States crop areas experiencing drought (map), an approximate percentage of crop located in drought by state (bar graph), and the percentage of crop area located in drought during the past 52 weeks (line graph) for hay, cattle, and winter wheat.
U.S. Drought Monitor, December 18, 2012, David Simeral
U.S. Drought Monitor, December 18, 2012, David Simeral
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for December 18, 2012 (12/18/12) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
U.S. Drought Monitor, December 11, 2012, Rich Tinker
U.S. Drought Monitor, December 11, 2012, Rich Tinker
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for December 11, 2012 (12/11/12) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
U.S. Drought Monitor, December 4, 2012, Rich Tinker
U.S. Drought Monitor, December 4, 2012, Rich Tinker
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for December 4, 2012 (12/4/12) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
Interactions Of Zooplankton And Phytoplankton With Cyanobacteria, Rebecca Alexander
Interactions Of Zooplankton And Phytoplankton With Cyanobacteria, Rebecca Alexander
School of Natural Resources: Dissertations, Theses, and Student Research
Cyanobacteria are a major concern in Nebraska reservoirs and are capable of producing toxins that can cause skin irritations and gastrointestinal problems, as well as affect the nervous system. It is important to determine the mechanisms that can cause cyanobacteria blooms due to the effect they can have on human health. The interaction of zooplankton and other phytoplankton groups with cyanobacteria is important because there is a biological component in surface waters that should be taken into consideration along with the physical and chemical parameters that have been noted to promote cyanobacteria. For example, zooplankton have the ability to alter …
U.S. Drought Monitor, November 27, 2012, Eric Luebehusen
U.S. Drought Monitor, November 27, 2012, Eric Luebehusen
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for November 27, 2012 (11/27/12) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
U.S. Drought Monitor, November 20, 2012, Eric Luebehusen
U.S. Drought Monitor, November 20, 2012, Eric Luebehusen
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for November 20, 2012 (11/20/12) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
U.S. Drought Monitor, November 13, 2012, David Miskus
U.S. Drought Monitor, November 13, 2012, David Miskus
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for November 13, 2012 (11/13/12) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
U.S. Drought Monitor, November 6, 2012, David Miskus
U.S. Drought Monitor, November 6, 2012, David Miskus
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for November 6, 2012 (11/6/12) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
U.S. Drought Monitor, October 30, 2012, Michael J. Brewer, Liz Love-Brotak
U.S. Drought Monitor, October 30, 2012, Michael J. Brewer, Liz Love-Brotak
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for October 30, 2012 (10/30/12) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
U.S. Drought Monitor, October 16, 2012, Matthew Rosencrans
U.S. Drought Monitor, October 16, 2012, Matthew Rosencrans
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for October 16, 2012 (10/16/12) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
U.S. Drought Monitor, October 9, 2012, Matthew Rosencrans
U.S. Drought Monitor, October 9, 2012, Matthew Rosencrans
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for October 9, 2012 (10/9/12) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
U.S. Drought Monitor, October 2, 2012, Anthony Artusa
U.S. Drought Monitor, October 2, 2012, Anthony Artusa
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for October 2, 2012 (10/2/2012) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
U.S. Drought Monitor, September 25, 2012, Anthony Artusa
U.S. Drought Monitor, September 25, 2012, Anthony Artusa
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for September 25, 2012 (9/25/12) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, September 18, 2012, David Simeral
U.S. Drought Monitor, September 18, 2012, David Simeral
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for September 18, 2012 (9/18/12) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, September 11, 2012, David Simeral
U.S. Drought Monitor, September 11, 2012, David Simeral
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for September 11, 2012 (9/11/12) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, September 4, 2012, Brian Fuchs
U.S. Drought Monitor, September 4, 2012, Brian Fuchs
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for September 4, 2012 (9/4/12) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle.