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No Strings Attached
- Subject:
- Science and Technology
- Institution Name:
- USGS
- Collection:
-
USGS
- Grade Level:
- Secondary, Post-secondary
- Abstract:
This USGS site explains what an aquifer is and defines the different types of aquifers based on six principal lithologies; sandstone, carbonate, sandstone-carbonate, igneous and metamorphic, sand and gravel, and other rock types. The site features maps and descriptions of the major aquifers in the United States as well as general information about groundwater occurrence and quality. The site also provides links to additional maps and data about specific aquifers across the nation.
- Course Type:
- Learning Module
- Languages:
- English
- Material Type:
- Readings
- Media Format:
- Text/HTML
- Conditions of Use:
-
Public Domain
USGS-authored or produced data and information are in the public domain. You are welcome to make a link to any of the Web pages USGS has published on the Internet. There is no need to request permission. Credit can be provided by including on the page (or via a link to a credits page) a citation such as: Credit: U. S. Geological Survey U. S. Geological Survey/photo by Jane Doe (if the artist is known) USGS/Ft. Collins, CO (if originating office but not the artist is known)
No restrictions on your remixing, redistributing, or making derivative works.
Give credit to the author, as required.
Your remixing, redistributing, or making derivatives works comes with some
restrictions, including how it is shared.
Your redistributing comes with some restrictions. Do not remix or make
derivative works.
Copyrighted materials, available under Fair Use and the TEACH Act for US-based
educators, or other custom arrangements. Go to the resource provider to see
their individual restrictions.
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