Field |
Description |
Main ID Information |
Metadata Updated 2007 |
Title |
Blue Earth County Aggregate Evaluation - Gravel Pits |
Filename |
Gvl_pit (ArcView Shapefile) |
Abstract |
This dataset consists of location information about the gravel pits and quarries within Blue Earth County. |
Place Keywords |
Blue Earth County, Minnesota |
Theme Keywords |
Gravel Pits, Quarries |
Time Period of Content |
Summer 1998 |
Parent Theme |
NA |
Spatial Extent of the Data |
Blue Earth County, Minnesota |
Contact Person |
Aggregate Resources Mapping Program |
Contact Person Organization/Division |
Department of Natural Resources, Division of Minerals |
Contact Person Position |
Surficial Geologist (or GIS Specialist) |
Contact Address |
500 Lafayette Road, Box 45 |
Contact City |
St. Paul |
Contact Zip Code |
55155-4045 |
Contact Voice Phone |
651-259-5959 |
Contact Fax Phone |
651-296-5939 |
Additional ID Information |
|
Originator |
Department of Natural Resources, Division of Minerals, Mineral Potential Section |
Purpose |
To display the gravel pit and quarry locations within Blue Earth County. |
Progress |
Complete |
Currentness Reference |
1998-1999 |
Maintenance Frequency |
None planned |
Access Constraints |
NA |
Use Constraints |
NA |
Associated Data Sets |
NA |
Data Quality |
|
Attribute Accuracy |
These points were digitized in ArcView (on screen digitizing) on DRG's (Digital Raster Graphic Files of 1:24,000 topographic maps). |
Logical Consistency |
NA |
Completeness |
Described in "lineage" below. |
Horizontal Positional Accuracy |
1:24000 |
Vertical Positional Accuracy |
NA |
Lineage |
These points were gathered from a variety of sources, some were digitized to within a few meters, others were located on DOQ's (Digital Orthophoto Quadrangles) and DRG's with on screen digitizing. The gravel pits and quarries are fairly large, thus the points are located somewhere in the disturbed area, and should be very accurate. |
Source Scale Denominator |
1:24000 |
Spatial Reference |
|
Horizontal Coordinate Scheme |
UTM |
Ellipsoid |
GRS80 |
Horizontal Datum |
NAD83 |
Horizontal Units |
Meters |
Distance Resolution |
NA |
Altitude Datum |
NA |
Altitude Units |
NA |
Depth Datum |
NA |
Depth Units |
NA |
UTM Zone Number |
15 |
Raster only |
|
Cell Width |
NA |
Cell Height |
NA |
Spatial Data Organization |
|
Geographic Reference for Tabular Data |
NA |
Native Dataset Environment |
ArcView 3.1 / ArcInfo7.2.1 |
Vendor Specific Object Type |
NA |
Tiling Scheme |
NA |
Spatial Object Type |
Point |
Transfer Size |
12.7 kb |
Entities -- Attributes |
|
Entity-Attribute Overview |
This dataset consists of location information about the gravel pits and quarries within Blue Earth County. |
Entity-Attribute Detailed Citation |
See table below: Arcview specific fields include shape (i.e., feature type = point), area (0 for points), perimeter (0 for points), filename (unique id for point, assigned by the software), filename_i or filename_id if filename is less than 8 characters (an id usually assigned during theme creation). |
Table Name |
Field Name |
Begin Column |
Definition |
Valid Values |
Descriptions |
Gvl_pits.shp |
Pit_quarry |
|
Text, 16 |
Gravel Pit |
Location of gravel Pit |
|
|
|
|
Quarry |
Location of quarry |
|
Plotyn |
|
Text, 1 |
Y |
Several gravel pits were close together so that at a 1:100,000 scale map they were on top of each other, so where this occurred only one location was plotted and represented more than one pit location. |
|
|
|
|
N |
The pit was not plotted on the 1:100,000 scale map due to clustering. |