Geological Surveys Database

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1991, Minnesota Geological Survey
1989, Arizona Geological Survey
With continued expansion of Tucson into peripheral areas, growth is being met with geologic limitations and hazards, such as shrink-swell potential in soils and collapsing soils. Knowledge of surficial geology is important in understanding these conditions. This series of maps, an extension of...
1998, Arizona Geological Survey
identifies mineralized areas in the San Carlos-Safford-Duncan Nonpoint-Source Management Zone (Figure 1) and their potential affects on water quality. Natural processes can concentrate an element or group of elements in a particular area. Information on the location, size, and characteristics of...
2016, Vermont Geological Survey
The purpose of this project was to conduct 1:24,000 scale mapping of the surficial geology of the Cabot 7.5 minute quadrangle and to integrate this with water well data in order to understand the hydrogeologic framework. Glacial till is the most widespread surficial material in the study area. It...
2012, Vermont Geological Survey
The following summary integrates observations made while mapping the surficial geology of both the southern half (2011) and northern half (2012) of the Pico Peak 7.5-minute quadrangle, central Vermont. Detailed mapping focused on the uppermost Ottauquechee river valley to the south and the...
2017, Vermont Geological Survey
2004, Wisconsin Geological & Natural History Survey
2013, Indiana Geological and Water Survey
The Danville Coal Member of the Dugger Formation is an important mining target in Indiana. The Indiana Geological Survey has been collecting physical and chemical data and mapping the Danville Coal for many years. This publication is the most comprehensive digital compilation of geologic...
1999, New Mexico Bureau of Geology & Minerals

About the Geological Surveys Database

As of July 2018, the Geological Surveys Database replaces the Critical Issues Research Database, providing an improved portal for decision makers and others to locate and comprehensively search state geological survey publications and U.S. Geological Survey factsheets.

The Geological Surveys Database is now an external database that has be integrated into AGI's Critical Issues webpages. To use the entire suite of features of the Geological Surveys Database, please visit

The Geological Surveys Database provides full-text searching of publications meaning that users can not only search metadata fields (i.e., title, author, notes, etc.), but also search against the entire text of the publications in the database in order to find the information they are seeking. The database also features interactive geographic searching of publications that have geographic coordinates, browsing of publications, faceted searching, and more.

Record display views include robust metadata that is based on a combination of GeoRef metadata that is supplemented with additional metadata from the state geological surveys and U.S. Geological Survey, links to state geological survey websites, suggestions for similar items, and a map display of associated geographic metadata coordinates.

The Geological Surveys Database also provides a wide array of user features including the ability to export citations, create user accounts to save queries, citations and create curated lists, add comments and custom tags to records in the database, and more.

The Geological Surveys Database is a collaborative effort between the American Geosciences Institute and U.S. state geological surveys to help increase the discoverability and use of geological survey publications by decision makers as they address issues at the intersection of the geosciences and society.