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Geologic Studies and Water Programs Iowa's geology includes materials left by rivers, wind, glaciers, and marine environments, as well as the groundwater and mineral resources they contain. Investigations into the distribution and characteristics of these materials improve the quality and reliability of information and service provided statewide by the Geological Survey Bureau. These studies reflect both the practical application of geology to the environmental and economic issues of our time as well as the scientific research needed to close gaps in our basic knowledge of the state's geology. This information is essential to all who are concerned about resource availability, development, and protection in Iowa. Below, you will find these specific topics: (1) Drinking Water Protection Programs, (2) Economic Geology, (3) Environmental Geology and Hydrogeology, (4) Mapping, (5) Paleontology, (6) Stratigraphy, and (7) Structural Geology. The following information includes abstracts of technical reports. Geological Survey Bureau (GSB) reports may be ordered through the Catalog of Publications, which is organized according to report series (i.e., Special Report Series, Technical Information Series, Open File Reports, etc.). U.S. Geological Survey (USGS) publications are available through the USGS office in Iowa City, (319)337-4191. Geological Society of Iowa (GSI) publications are available through the GSI Web Site. For Iowa Groundwater Association publications, call (319)335-1580. For Iowa Academy of Science (IAS) publications, call (319)273-2022. For Geological Society of America (GSA) publications, call (303)447-2020 (Ext. 152) or write P.O. Box 9140, Boulder, CO 80301-9140 USA; http://www.geosociety.org. Drinking Water Protection Programs Protecting the Source of Your Drinking Water Wellhead Protection Economic Geology Aggregate - Sand, Gravel, and Limestone Amoco Eischeid Deep Petroleum Test, Carroll County, Iowa Clay and Shale Production Coal and Coal Mining: Keystone Coal Industry Manual (Iowa Coal) Gypsum Production Limestone Production Metallic Mineral Resource Exploration Oil and Gas Exploration Environmental Geology and Hydrogeology Environmental Geology Groundwater Resources Hydrologic and Climatologic Studies of Cretaceous "Greenhouse World" Water Quality and Agriculture Mapping Bedrock Geology and Bedrock Topography of Iowa 1998 Bedrock Topographic Map of Iowa Statemap Program in Iowa Surficial Geologic Mapping Water Atlases Paleontology Cambrian Trilobite Biostratigraphy: GSB Guidebook Series 8 (Table of Contents) Delta Fossil Amphibian Site: GSB Guidebook Series 10 (Table of Contents) Devonian Fossil Gorge Pennsylvanian Conodont Biostratigraphy: GSB Technical Information Series 14 (Abstract) Pennsylvanian Palynostratigraphy Stratigraphy Iowa Stratigraphic Column Alluvial Stratigraphy Study Alluvial Stratigraphy--Holocene and Quaternary History of Western Iowa Alluvial Stratigraphy of Late Wisconsinan Valley-Train Terraces Alluvial Stratigraphy and Landscape Development in Soap Creek Watershed: GSB Open File Report 87-2 (Abstract) Alluvial Stratigraphy and Landscape Development in Saylorville Lake Area: GSB Open File Report 86-1 (Abstract) Alluvial Stratigraphy, Paleoecology and Archaeological Geology Amoco Eischeid Deep Petroleum Test, Carroll County, Iowa Cambrian System Stratigraphic Study Coal Resources: GSB Open File Report 90-2 (Abstract) Coal Geology Cooperative Loess Study with United States Geological Survey (USGS) Cretaceous System Stratigraphic Study Cherokee Group Stratigraphy: GSB Technical Information Series 12 (Abstract) Devonian System Stratigraphic Study Geotechnical Studies--surficial materials: GSB Technical Information Series 8 (Abstract) Geomorphic Studies Glacial Sedimentation and Landforms Hydrogeology and Stratigraphy of the Dakota Formation in Northwest Iowa: GSB Water-Supply Bulletin 13 (Abstract) Jurassic System Stratigraphic Study Manson Impact Structure Studies Midcontinent Rift System in Iowa Mississippian System Stratigraphic Study Ordovician System Stratigraphic Study Paleozoic Stratigraphy: GSB Guidebook Series 8 (Table of Contents) Phanerozoic History of the Central Midcontinent, United States: Geological Society of America Decade of North American Geology (Introduction) Pleistocene Stratigraphy in east-central Iowa: GSB Technical Information Series 10 (Abstract) Plum River Fault Zone Pre-Illinoian and Illinoian Stratigraphy in Southeast Iowa and adjacent Illinois: GSB Technical Information Series 11 (Abstract) Precambrian Geology of Iowa Silurian System Stratigraphic Study Standard Procedures for Evaluation of Quaternary Materials: GSB Technical Information Series 8 (Introduction) Structural Geology Amoco Eischeid Deep Petroleum Test, Carroll County, Iowa Early Ordovician Paleotectonism: GSB Technical Information Series 9 (Abstract) Iowa Earthquakes Manson Crater Studies Midcontinent Rift in Iowa Plum River Fault Zone Paleozoic Tectonics: GSB Technical Information Series 13 (Abstract)