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Carlton County and Fond du Lac Reservation Aggregate Resource Evaluation - MGS County Well Index Well Locations June 2007- carlcwiwells0607

This page last updated: 2009
Metadata created using Minnesota Geographic Metadata Guidelines


Metadata Summary

Originator

Minnesota Geological Survey

Abstract

This dataset consists of the locations of wells drilled within Carlton County and the Fond du Lac Reservation. The County Well Index (CWI) is a database that contains geologic information about wells drilled throughout Minnesota. locations were used to look at the geological descriptions of these wells. This CWI dataset was downloaded from the Minnesota Geological Survey (MGS) in June of 2007 and contained 3429 wells within the project's spatial extent.

Browse Graphic

none available

Time Period of Content Date

2007

Currentness Reference

2007

Access Constraints

Use Constraints

Acknowledgement of the Minnesota Geological Survey and Minnesota Department of Health are appreciated for products derived from these data.

Distributor Organization

Minnesota Geological Survey

Ordering Instructions

Go to the website of the Minnesota Geological Survey, http://www.geo.umn.edu/mgs, to find the link describing CWI and to download the current version of CWI. To download this subset of the CWI data, which was used for this project and downloaded in 2007, go to http://www.dnr.state.mn.us/lands_minerals/aggregate_maps/completed/index.html where it is part of the carlton_aggregate_data.zip file under Carlton County.

Online Linkage

none available


Full Metadata

Carlton County and Fond du Lac Reservation Aggregate Resource Evaluation - MGS County Well Index Well Locations June 2007- carlcwiwells0607

Go to Section:
1. Identification Information
2. Data Quality Information
3. Spatial Data Organization Information
4. Spatial Reference Information
5. Entity and Attribute Information
6. Distribution Information
7. Metadata Reference Information

 

Section 1

Identification Information

 

Top of page

Originator

Minnesota Geological Survey

Title

Carlton County and Fond du Lac Reservation Aggregate Resource Evaluation - MGS County Well Index Well Locations June 2007- carlcwiwells0607

Abstract

This dataset consists of the locations of wells drilled within Carlton County and the Fond du Lac Reservation. The County Well Index (CWI) is a database that contains geologic information about wells drilled throughout Minnesota. locations were used to look at the geological descriptions of these wells. This CWI dataset was downloaded from the Minnesota Geological Survey (MGS) in June of 2007 and contained 3429 wells within the project's spatial extent.

Purpose

The CWI database maintained by MGS is updated quarterly. This subset was downloaded in June of 2007 and provides part of the background information that was used in developing the aggregate resource mapping units in Carlton County and the Fond du Lac Reservation.

Time Period of Content Date

2007

Currentness Reference

2007

Progress

Complete

Maintenance and Update Frequency

The CWI database maintained by MGS is updated quarterly. This subset was downloaded in June of 2007.

Spatial Extent of Data

Carlton County, MN and Fond du Lac Reservation

Bounding Coordinates

-93.06
-92.29
46.88
46.42

Place Keywords

Carlton County, Minnesota, Fond du Lac Reservation

Theme Keywords

CWI, water wells, county well index, geological descriptions, Minnesota Geological Survey

Theme Keyword Thesaurus

Access Constraints

Use Constraints

Acknowledgement of the Minnesota Geological Survey and Minnesota Department of Health are appreciated for products derived from these data.

Contact Person Information

Aggregate Resource Mapping Program, Industrial Minerals Geologist or GIS Specialist
Minnesota Department of Natural Resources, Division of Lands and Minerals
500 Lafayette Road
St. Paul, MN 55155-4045
Phone: 651-259-5959
FAX: 651-296-5939
E-mail: aggregatemap@state.mn.us

Browse Graphic

none available

Browse Graphic File Description

Associated Data Sets

The Aggregate Resource Mapping Program's spatial datasets for Carlton County and the Fond du Lac Reservation are included in the file carlton_aggregate_data.zip, accessible from the MN DNR Aggregate Mapping web page: http://www.dnr.state.mn.us/lands_minerals/aggregate_maps/completed/index.html
The spatial datasets are also available as shapefiles and a file geodatabase stored at drive:\data\resource on the associated CD (where 'drive' is the CD reader or writer drive on the PC). The spatial datasets include: sand and gravel potential, crushed stone potential, field observations, mining pits, depleted mining lands, Minnesota Geological Survey (MGS) County Well Index (CWI) data points, sieve analysis table of selected field observations, MGS CWI stratigraphy table, and Mn/DOT ASIS pit quality table.

Selected aggregate resource datasets from this project can also be viewed in the Aggregate Resource Mapping Program's Aggregate Mapper at:
http://www.dnr.state.mn.us/lands_minerals/aggregate_maps/online_maps/index.html
Aggregate Mapper allows users the ability to work with the aggregate resource data without having to download additional software. The site can display spatial and tabular aggregate resource data such as sand and gravel potential, crushed stone potential, field observations, mining pits, and depleted mining lands. This information can be overlaid on a variety of base map information from Web Mapping Services (WMS) sources like; 1:24,000-scale DRGs (digital topographic maps), 1991 black-and-white air photos, and 2008 Farm Service Agency color air photos.

 

Section 2

Data Quality Information

Top of full metadata

Top of page

Attribute Accuracy

Logical Consistency

Completeness

The locational accuracy of these points varies. Some of the points were field checked down to the meter, while others are located to the centroid of a 40-acre parcel. Download CWI from the Minnesota Geological Survey for a complete and up-to-date version.

Horizontal Positional Accuracy

Vertical Positional Accuracy

Not applicable.

Lineage

The geological descriptions associated with the well locations were used to make interpretations and test interpretations about the geology, aggregate resources, and glacial and bedrock history of the area.

Source Scale Denominator

 

Section 3

Spatial Data Organization Information

Top of full metadata

Top of page

Native Data Set Environment

ArcGIS 9.3 from ESRI

Geographic Reference for Tabular Data

Spatial Object Type

Point

Vendor Specific Object Types

Point

Tiling Scheme

Carlton County and Fond du Lac Reservation

 

Section 4

Spatial Reference Information

Top of full metadata

Top of page

Horizontal Coordinate Scheme

UTM

Ellipsoid

GRS80

Horizontal Datum

NAD83

Horizontal Units

Meters

Distance Resolution

Altitude Datum

Not applicable

Depth Datum

Not applicable

UTM Zone Number

15E

 

Section 5

Entity and Attribute Information

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Entity and Attribute Overview

These points represent the locations of individual wells drilled throughout Carlton County and the Fond du Lac Reservation

Entity and Attribute Detailed Citation

Found either at document carlcwiwells0607_att.htm or see table below

Attribute values can be found in the table carlcwiwells0607_att.htm. If this table hotlink cannot be found by your browser, you can find this file stored in the same location (i.e., drive:\docs) as this metadata record.

carlcwiwells0607.shp contains a field (doh_path) that is used to hyperlink to the Minnesota Department of Health's County Well Index Online webpage. This web page provides detailed information (i.e., Drillers Description, Stratigraphy, etc.) regarding the associated well, via its 'relateid' or unique id. The shapefile can be hyperlinked utilizing ESRI software like ArcView 3.3 and ArcGIS 9.

An additional table, carlcwistrat0607.dbf, is a subset of the STRAT table of the CWI database. The carlcwiwells0607 shapefile relates to the carlcwistrat0607.dbf table as a one-to-many relate on the relateid field. The additional table contains only those fields that were considered directly applicable to developing aggregate resource mapping units for this project. Descriptions can vary from well to well, due to different individuals completing the well logging. As an example of the detail found in these descriptions: detailed descriptions often cover 5 to 10 feet of thickness per glacial material type or bedrock type. Less detailed descriptions may say 0-240 feet glacial drift and 240-360 feet sandstone.

The definition of the fields found in carlcwistrat0607.dbf are included in the carlcwiwells0607.shp_att.htm

 

Table Name

Field Name

Begin Column

Definition

Valid Values

Descriptions

carlcwiwells0607.shp

RELATEID

Text, 10

e.g., 000190049, 000152240

Unique identifiers for the wells (Relate item with carlcwistrat.dbf).

UNIQUE_NO

Text,8

e.g., 00190049, 00152240

Unique identifier for each well

TOWNSHIP

Number,9,0

117 to 121

Public Land Survey Township Number

RANGE

Number,9,0

29 to 31

Public Land Survey Range Number

SECTION

Number,9,0

1 to 36

Public Land Survey Section number

SUBSECTION

Text, 6

e.g., ABBCAA, CABBAB, DCCBBC, DCDDD

Subsection.  Indicates from largest to smallest, the quarter, quarter-quarter, quarter-quarter-quarter, … (A = NE, B = NW, C = SW, D = SE). 

DEPTH2BDRK

Number,19,11

e.g., 10, 71, 154, 510. 

-999 indicates no data.

Describes in feet the depth to the first bedrock encountered.

DOH_PATH

Text, 125

e.g., http://mdh-agua.health.state.mn.us/cwi/well_log.asp?wellid=0000732429

A URL hyperlink that links, using ESRI software like ArcView 3.3 or ArcGIS 9, to the associated well’s information (i.e., stratigraphy, drillers description) displayed via the county well index online web page, provided by the Minnesota Department of Health.  Some wells are not available on this site.  More information about this page can be found at: http://www.health.state.mn.us/divs/eh/cwi/

carlcwistrat0607.dbf

Associated table for use with mcwiwells.shp.  Relate the table with the shape on the field relateid.  There is a one-to-many relationship between the shapefile and this table.  This table is a subset of the data stored in the C4ST (i.e., driller’s description, interpreted stratigraphy) of the MGS CWI database.

RELATEID

Text, 10

e.g., 0000102256, 0000524753

These are the unique identifiers for the wells (Relate item with carlcwiwells shapefile).

DEPTH_TOP

Number,19,5

e.g., 15, 100, 260, 420

Depth to the top of the bedrock.

DEPTH_BOT

Number,19,5

e.g., 1, 38, 117, 254, 818

Depth to bottom of the bedrock.

DRILLR_DESC

Text, 34

e.g., CLAY, SAND + CLAY + GRAVEL, BOULDER

The driller’s description, interpreted stratigraphy.

 

Section 6

Distribution Information

Top of full metadata

Top of page

Publisher

Minnesota Geological Survey

Publication Date

Periodically revised

Contact Person Information



Minnesota Geological Survey
2642 University Avenue West
St. Paul, MN 55114-1057
Phone: 612-627-4782
FAX: 612-627-4778
E-mail: mgs@umn.edu

Distributor's Data Set Identifier

CWI

Distribution Liability

Transfer Format Name

Transfer Format Version Number

Transfer Size

Ordering Instructions

Go to the website of the Minnesota Geological Survey, http://www.geo.umn.edu/mgs, to find the link describing CWI and to download the current version of CWI. To download this subset of the CWI data, which was used for this project and downloaded in 2007, go to http://www.dnr.state.mn.us/lands_minerals/aggregate_maps/completed/index.html where it is part of the carlton_aggregate_data.zip file under Carlton County.

Online Linkage

none available

 

Section 7

Metadata Reference Information

Top of full metadata

Top of page

Metadata Date

2009

Contact Person Information

Aggregate Resource Mapping Program, Industrial Minerals Geologist or GIS Specialist
Minnesota Department of Natural Resources, Division of Lands and Minerals
500 Lafayette Road
St. Paul, MN 55155-4045
Phone: 651-259-5959
FAX: 651-296-5939
E-mail: aggregatemap@state.mn.us

Metadata Standard Name

Minnesota Geographic Metadata Guidelines

Metadata Standard Version

1.2

Metadata Standard Online Linkage

http://www.lmic.state.mn.us/gc/stds/metadata.htm

 


This page last updated: 2009