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Estimates of nitrogen-fertilizer sales for the conterminous United States in 1987

Summary

Type of release
ongoing release of a series of related datasets

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
15 March 2013
Modified Date
17 November 2014
Update Frequency
(HERE YOU PICK ONE OF THE FOLLOWING ENTRIES THAT DESCRIBES HOW OFTEN CHANGES OR ADDITIONS ARE MADE TO THE DATA SET. PICK ONE, AND DELETE THE REST) CONTINUALLY DAILY WEEKLY MONTHLY ANNUALLY UNKNOWN AS NEEDED IRREGULAR NONE PLANNED
Publishers
U.S. Geological Survey, Department of the Interior
Identifier
estimates-of-nitrogen-fertilizer-sales-for-the-conterminous-united-states-in-1987
Landing Page
http://catalog.data.gov/dataset/estimates-of-nitrogen-fertilizer-sales-for-the-conterminous-united-states-in-1987

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Description

This coverage contains estimates of nitrogen-fertilizer sales for the conterminous United States in 1987 as reported by the U.S. Environmental Protection Agency (1990) and by Jerald Fletcher (West Virginia University, written commun., 1992). Nitrogen-fertilizer sales estimates in this coverage are reported for each county polygon in tons of actual nutrient sold (inorganic nitrogen, phosphate, and potash) as distinct from total tons of fertilizer product. The data are summarized for fertilizer years (i.e. the 1987 fertilizer year runs from July 1, 1986 to June 30, 1987). The polygons representing county boundaries in the conterminous United States, as well as lakes, estuaries, and other nonland-area features were derived from the Digital Line Graph (DLG) file representing the 1:2,000,000-scale map in the National Atlas of the United States (1970). Nitrogen-fertilizer Fertilizer use Commercial fertilizer Counties United States

General Information

Legal Information

This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

  • The rights statement is at

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    yes, and the rights are all held by the same person or organisation Do you think this data is incorrect? Let us know

  • The content is available under

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  • Find out how to contact someone about this data at

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  • Find out how to suggest improvements to publication at

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