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To summarize the sand and gravel resource potential digitized by the MGS for the 7-county metropolitan area to assist in the goal of Minnnesota Statutes, section 84.94.
The sand and gravel resouce potential spatial database is an interpretative data product intended to be used for planning purposes. For example, a community may want to differentiate and protect resources by their quality; they may want to separate resource extraction from other uses to minimize land-use conflict; or they may want to reduce haulage cost by identifying sources in proximity to a project because aggregate is a high bulk, low price commodity and transportation costs can significantly affect price.
About Minnnesota Statutes, section 84.94 and the DNR's Aggregate Resource Mapping Program:
The Aggregate Resource Mapping Program (ARMP) began in 1984 when the Minnesota Legislature passed a law (Minnnesota Statutes, section 84.94) to: Identify and classify aggregate resources out side of the Twin Cities metropolitan area; Give aggregate resource information to local units of government and others for making comprehensive land-use and zoning plans; Introduce aggregate resource protection; and Promote orderly and environmentally sound development of the resource.
Aggregate Mapping Home Page: http://www.dnr.state.mn.us/lands_minerals/aggregate_maps/index.html
Aggregate Mapping Methodology: http://www.dnr.state.mn.us/lands_minerals/aggregate_maps/methodology.html |
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To summarize the sand and gravel resource potential digitized by the MGS for the 7-county metropolitan area to assist in the goal of Minnnesota Statutes, section 84.94.
The sand and gravel resouce potential spatial database is an interpretative data product intended to be used for planning purposes. For example, a community may want to differentiate and protect resources by their quality; they may want to separate resource extraction from other uses to minimize land-use conflict; or they may want to reduce haulage cost by identifying sources in proximity to a project because aggregate is a high bulk, low price commodity and transportation costs can significantly affect price.
About Minnnesota Statutes, section 84.94 and the DNR's Aggregate Resource Mapping Program:
The Aggregate Resource Mapping Program (ARMP) began in 1984 when the Minnesota Legislature passed a law (Minnnesota Statutes, section 84.94) to: Identify and classify aggregate resources out side of the Twin Cities metropolitan area; Give aggregate resource information to local units of government and others for making comprehensive land-use and zoning plans; Introduce aggregate resource protection; and Promote orderly and environmentally sound development of the resource.
Aggregate Mapping Home Page: http://www.dnr.state.mn.us/lands_minerals/aggregate_maps/index.html
Aggregate Mapping Methodology: http://www.dnr.state.mn.us/lands_minerals/aggregate_maps/methodology.html |
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The original data of sand and gravel aggregate sources was sourced from the Minnesota Geological Survey (MGS) for the M-102 project, Primary Sources of Construction Aggregate in the Twin Cities Seven-County Metropolitan Area. The dataset presented here was reformatted by the MN DNR in order to distribute it on an online map server of Aggregate Resources data. The original data file is called 'agsg99_polygon'. The datafile included codes rather than descriptions. The DNR reformatted the data by adding in descriptions for each code for easier reading and comprehension. Please consult the orignial MGS data, maps, and metadata at: http://conservancy.umn.edu/handle/11299/57004
According to the MGS, information that was used to map sand and gravel deposits used various criteria. Several operators and consultants in the aggregate industry, staff of the Materials Division of the Minnesota Department of Transportation and the Division of Minerals of the Minnesota Department of Natural Resources helped to establish the criteria. Deposits are classified by percentage of material retained on the number 4 sieve (4.76-millimeter pore space), sand and gravel thickness, thickness of overlying deposits, location of the water table, and relative amounts of subsurface information available Data was divided into primary sources, potential secondary sources, and gravel pits. It was subdivied by sieve data, thickness of sand and gravel deposit, thickness of overlying sediments, position of water table, and finaly data reliability. This is listed in table 2 of the M-102 map plates. |
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Use Disclaimer: Every reasonable effort has been made to ensure the accuracy of the factual data on which this map interpretation is based. However, the Department of Natural Resources does not warrant the accuracy, completeness, or any implied uses of these data. Users may wish to verify critical information; sources include both the references here and information on file in the offices of the Minnesota Department of Natural Resources. Every effort has been made to ensure the interpretation shown conforms to sound geologic and cartographic principles. No claim is made that the interpretation shown is rigorously correct, however, and it should not be used to guide engineering-scale decisions without site-specific verification. This information should not be used to establish legal title, boundaries, or locations of improvements.
Data Disclaimer
The Minnesota Department of Natural Resources makes no representation or warranties, express or implied, with respect to the reuse of data provided herewith, regardless of its format or the means of its transmission. There is no guarantee or representation to the user as to the accuracy, currency, suitability, or reliability of this data for any purpose. The user accepts the data 'as is', and assumes all risks associated with its use. By accepting this data, the user agrees not to transmit this data or provide access to it or any part of it to another party unless the user shall include with the data a copy of this disclaimer. The Minnesota Department of Natural Resources assumes no responsibility for actual or consequential damage incurred as a result of any user's reliance on this data. |
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M-102 Primary Sources of Construction Aggregate in the Twin Cities Seven-County Metropolitan Area - Sand and Gravel Sources |
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["sand and gravel sources, geological characteristics, construction aggregate potential, mgs, M-102, seven-county"] |
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en-US |
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