GRAVEL PITS



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.