Objective: This shapefile is intended to provide location data on the major abandoned mining sites throughout the Eastern side of the Revenue Flats area. Sites range from piles of old debris to massive holes in the ground. The true extent of old sift piles and mining pits extends past the length of this project, though the land is covered with them. Only major areas were mapped for the purpose of this project.

Equipment: Emlid RS2 Multi GNSS Receiver

Mapping Techniques: This polygon feature was mapped by walking the outline of each area and collecting important vertices as points using a single connection type at a 5 Hz update rate.

Base Station: No base station was used.

Editing: This layer was not edited.

Estimated Accuracy: Estimated Accuracy is sub 0.5m for most points, with a few outliers.

Spatial Reference Information: NAD 1983 (2011) StatePlane Montana FIPS 2500 (Intl Feet)

Fields: A single "equipment" text field was added to the GPS data fields to describe the contents of each site. A drainage ditch was identified, as well as two areas with abandoned and rusty old equipment, and one massive location with newer equipment in better shape.