spring

Groundwater Quality of Springs and Wells of the Sinkhole Plain in Southwestern Illinois: Determination of the Dominant Sources of Nitrate




spring

Hydrogeologic Controls on the Occurrence and Movement of Groundwater Discharged at Magic Springs in the Spring Branch Creek Drainage Basin: Spring Branch, Texas




spring

Hydrogeological controls on the occurrence and movement of groundwater discharged at Magic Springs in the Spring Branch Creek drainage basin, Spring Branch, Texas




spring

Hydrogeological investigations at Diamond Y Springs and surrounding area, Pecos County, Texas




spring

Hydrology and water quality of the Edwards Aquifer associated with Barton Springs in the Austin area, Texas




spring

Major and historical springs of Texas




spring

New Taxa of Hydrobiidae (Gastropoda: Risooidea) from Bulgarian Cave and Spring Waters




spring

Potential sources for the high nitrate levels in Stillhouse Hollow Spring




spring

Potentiometric maps for low to high flow conditions, Barton Springs segment of the Edwards Aquifer, Central Texas




spring

Predictions of sediment toxicity in the Barton Springs watershed located in Texas using sediment quality guidelines




spring

Proposed Amendment No. 12, Marion County Land Development Code: Article 6 - Overlay Zones, Creating New Article 6.4, Springs Protection Overlay Zone




spring

Relation of specific conductance in ground water to intersection of flow paths by wells, and associated major ion and nitrate geochemistry, Barton Springs segment of the Edwards Aquifer, Austin, Texas, 1978–2003




spring

Response tier development document Barton Springs salamander catastrophic spill plan




spring

Restoring land and managing karst to protect water quality and quantity at Barton Springs, Austin, Texas




spring

Risks of atrazine use to Federally listed endangered Barton Springs salamanders (Eurycea sosorum)




spring

Risks of carbaryl use to the Federally listed endangered Barton Springs salamander (Eurycea sosorum)




spring

Risks of diazinon use to the Federally listed endangered Barton Springs salamander (Eurycea sosorum)




spring

Sediment accumulation in the Barton Springs complex




spring

Some water quality threats to the Barton Springs salamander at low flows




spring

Spring 2009 potentiometric map of the Middle Trinity Aquifer in groundwater management area 9, central Texas




spring

Spring point coverage for the potentiometric coverages for the Inyan Kara, Minnekahta, Minnelusa, Madison, and Deadwood Aquifers in the Black Hills Area, South Dakota




spring

Springshed Assessment Methods for Paleozoic Bedrock Springs of Southeastern Minnesota




spring

Summary of 2005 groundwater dye tracing, Barton Springs segment of the Edwards Aquifer, Hays and Travis Counties, Central Texas




spring

Summary of groundwater dye tracing studies (1996-2002), Barton Springs segment of the Edwards Aquifer, Texas




spring

Temporal trend analysis of long-term monitoring data at karst springs, 2009




spring

The Edwards Aquifer and the great springs of Texas




spring

The hydrology and water quality of select springs in the Southwest Florida Water Management District




spring

The role of sulfate-rich springs and groundwater in the formation of sinkholes over gypsum in eastern England




spring

Thermal springs of the United States and other countries of the world; a summary




spring

Update of Barton Springs water quality data analysis - Austin, Texas




spring

Use of physical and chemical response in cave drips to characterize upland recharge in the Barton Springs segment of the Edwards Aquifer, central Texas, USA




spring

Using 34-S as a tracer of dissolved sulfur species from springs to cave sulfate deposits in the Cerna Valley, Romania




spring

Wastewater disposal practices and change in development in the Barton Springs Zone




spring

Water quality study of the Barton Springs segment of the Edwards Aquifer, southern Travis and northern Hays counties, Texas




spring

Spring House (looking out)




spring

Spring House




spring

Spring House




spring

Spring House Archways




spring

Spring House (looking out)




spring

Spring numbers fall migration chart




spring

Spring migration 1948




spring

Effect of annual rainfall amount on characteristics of karst spring hydrograph




spring

Thermogenic travertine deposits in Thermopylae hot springs (Greece) in association with cyanobacterial microflora




spring

Effects of temperature and availability of insect prey on bat emergence from hibernation in spring




spring

Marriage record of Springstead, Ervin Algara and Mitchell, Nellie May




spring

Integrated geophysical investigations of Main Barton Springs, Austin, Texas, USA




spring

Buckhorn Springs




spring

Buckhorn Springs undergrowth




spring

Buckhorn Springs




spring

Buckhorn Springs