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Effects of low spring discharge on water quality at Barton, Eliza, and Old Mill springs, Austin Texas




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Endangered and threatened wildlife and plants; 12-month finding on a petition to list the Jollyville Plateau salamander (Eurycea tonkawae) as Endangered With Critical Habitat; proposed rule




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Estimation of Jollyville Plateau Salamander (Eurycea tonkawae) populations using surface counts and mark-recapture




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Evaluating the hydrologic connection of the Blanco River and Barton Springs using discharge and geochemical data




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Evaluation of sustainable yield of the Barton Springs segment of the Edwards Aquifer, Hays and Travis counties, central Texas




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Evaluation of sustainable yield of the Barton Springs segment of the Edwards Aquifer, Hays and Travis counties, central Texas




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Evaporite karst in the Black Hills, South Dakota and Wyoming, and the oil play in the Williston Basin, North Dakota and Montana




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Geochemical evolution of ground water in the Barton Springs segment of the Edwards aquifer




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Geophysical Delineation of the Freshwater/Saline-Water Transition Zone in the Barton Springs Segment of the Edwards Aquifer, Travis and Hays Counties, Texas, September 2006




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Guide to some volcanic terranes in Washington, Idaho, Oregon and Northern California




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Gypsum karst causes relocation of proposed Cedar Ridge Dam, Throckmorton County, Texas




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




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Karst landforms in the Saraburi Group limestones, Thailand




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Lower cretaceous limestones from the northern part of Pădurea Craiului (Osoui Hill and Subpiatră sections): Biostratigraphy and preliminary data on microbial structures




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Microfacies and microfossils in upper Jurassic limestones from Cheile Turenilor




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New data concerning the age of Mesozoic limestone from Scărişoara (Bihor Mountains)




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Microfacies of the Triassic limestones in the Piatra Şoimuliu Klippe (Transylvanian Nappes, Rarau syncline, eastern Carpathians, Romania)




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Preliminary data on the mineralogy of limestone and skarn-hosted caves from Băita (Bihor County, Romania)




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1972: Proceedings of the International Symposium on Vulcanospeleology and its Extraterrestrial Applications: A Special Session of the 29th Annual Convention of the National Speleological Society White Salmon, Washington, 16 August 1972




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Paleokarst crust of Ordovician limestone and its capability in resisting water inrushes in coal mines of north China




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Phylogeography of cave crickets (Ceuthophilus spp.) in central Texas: A keystone taxon for the conservation and management of federally listed endangered cave arthropods




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Population genetics, species boundaries, and conservation of the Jollyville Plateau salamander, Eurycea tonkawae




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




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




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Preliminary geochemical assessment of limestone resources and stone use at Maya sites in the Three Rivers Region, Belize




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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




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Response tier development document Barton Springs salamander catastrophic spill plan




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




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




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




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




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Sediment accumulation in the Barton Springs complex




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Sinkhole Ordinance, Lexington-Fayette Urban-County Government, Lexington-Fayette, Kentucky




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Solution Mining and the Protection of Karst Groundwater Supplies in Burton Flats, Southeast New Mexico, USA




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




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Stabilization of Dakota Sandstone surface of the Faris Cave petroglyphs, Kanopolis Lake Project, Kansas




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Status of Jollyville Plateau salamander (Eurycea tonkawae) on Travis County Balcones Canyonlands Preserve tracts




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Subbottom profiling investigation of sinkhole lake structure in Bay and Washington Counties, Florida




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




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




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Tabasosphaera pustulosa nov. gen., nov. sp., a microproblematicum (foraminifer?) from the upper Triassic (Norian-Rhaetian) reef limestones of Nayband Formation (NE Iran)




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The Fort Stanton Cave Study Project: A Model For Agency – Caver Partnership In Cave Management




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The Genesis and Hydrogeology of a Sandstone Karst in Pine County, Minnesota




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Tzinacamoztoc, Possible Use of a Lava Tube as a Zenithal Observatory Near Cantona Archaeological Site, Puebla, Mexico




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




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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




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




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




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Water-Budget Analysis of Medina and Diversion Lakes and the Medina/Diversion Lake System, with Estimated Recharge to Edwards Aquifer, San Antonio, Texas




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A lucky penny, or, The fortunes of a Boston boy