ROCK PILES

DODGE COUNTY, MINNESOTA

 

Field

Description

Main ID Information

Metadata Updated 2007

Title

Dodge County Aggregate Resource Evaluation – Rock Piles

Filename

Rx_pile  (ArcView Shapefile)

Abstract

This dataset includes information about field observations of rock piles.  Field work was completed in the fall of 2001.  Rock piles can be a source for crushed stone or rip rap.

Place Keywords

Dodge County, Minnesota

Theme Keywords

Field Observations, Aggregate Resources, Surficial Geology, Rock Piles

Time Period of Content

Fall 2001 and spring 2002

Parent Theme

NA

Spatial Extent of the Data

Dodge County, Minnesota

Contact Person

Aggregate Resources Mapping Program

Contact Person Organization/Division

Department of Natural Resources, Division of Lands and Minerals

Contact Person Position

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 Lands and Minerals, Mineral Potential Section

Purpose

To summarize the observed rock pile locations. 

Progress

Complete

Currentness Reference

All field observations were completed in the fall of 2001 and spring 2002

Maintenance Frequency

None Planned

Access Constraints

NA

Use Constraints

NA

Associated Data Sets

County Aggregate Mapping Program datasets for Dodge County, including data on sand and gravel potential, crushed stone potential, field observations, rock piles, and test pit quality data.

Data Quality

 

Attribute Accuracy

 

Logical Consistency

NA

Completeness

The data points were located on topographic maps and aerial photographs.  The topographic maps are 1:24000 and the aerial photographs are 1:40000.  These points represent the location of where the individual rock piles were observed.

Horizontal Positional Accuracy

1:24:000

Vertical Positional Accuracy

NA

Lineage

The data points were located on 1:24000 USGS topographic maps and 1:40000 aerial photographs.

Source Scale Denominator

1:24:000

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 Extended

Raster only

 

Cell Width

NA

Cell Height

NA

Spatial Data Organization

 

Geographic Reference for Tabular Data

NA

Native Dataset Environment

ArcView 3.1 and ArcInfo 8.0.2

Vendor Specific Object Type

Point

Tiling Scheme

County

Spatial Object Type

Point

Transfer Size

 

Entities -- Attributes

 

Entity-Attribute Overview

A description of located rock piles.

Entity-Attribute Detailed Citation

ArcView specific fields include shape (i.e., feature type = point), and field_id (unique id for point, assigned as digitizing)>

The rock pile specific attributes are described in the table below.

 

 

Table Name

Field Name

Begin Column

Definition

Valid Values

Descriptions

Rx_pile.dbf

Field_id

 

Text, 16

Ex: X-1,X-2, X-3, etc…

Unique Identifiers used in the field, letters have no significance. 

 

Field_desc

 

Text, 70

Rock Pile

Observed rock piles located in county.