Case Studies
The flexible and
knowledgeable team at Coffey Engineering & Surveying provides innovative
solutions for our clients’ toughest civil engineering, land surveying and GIS and Geospatial challenges.
ROCK SPRINGS GRAZING ASSOCIATION GIS PLATFORM
Sweetwater County, Wyoming
Client challenge:
The land manager of the 600,000-acre RSGA needed a way
to map
and manage leases, surface owner agreements (SOA) and other land use issues that occur over a vast geographical area in Sweetwater County, Wyoming.
and manage leases, surface owner agreements (SOA) and other land use issues that occur over a vast geographical area in Sweetwater County, Wyoming.
Coffey solution:
Coffey created a customized,
user-friendly GIS platform to catalog and manage the lands, creating a vital
link to information that is essential to current and future grazing operations
in the area.
Researched and combined the following isolated and discrete
records into a comprehensive electronic dataset:
Researched and combined the following isolated and discrete
records into a comprehensive electronic dataset:
- GIS parcel ownership data from the county assessor’s office.
- Public land data from State and Federal GIS data warehouses.
- Hard-copy maps provided by RSGA of known land assets.
Used the comprehensive
electronic dataset to perform the following customized functions for the
client:
- Perform gap analysis of spatial and tabular information to create a new comprehensive ownership layer.
- Develop a point snap-grid as a parcel sub-set from the BLM Geographic Coordinate Data Base (GCDB) Quarter-Quarter dataset, taking into account the many irregularities of the PLSS map information.
- Create ownership polygons using the GCDB-derived snap-grid for all land records obtained through BLM and county research. Edit layer using RSGA maps and documents.
- Establish layers for lease points and lease right-of-ways, and create surface owner agreements polygons, based on Access database information.
- Determine active oil and gas well layer from tabular information provided by Wyoming Oil and Gas Commission. Analyze and attribute SOA data with current, past or no-well information.
- Create a GIS data viewer showing all available information in a series of subject-related map views.
Ongoing benefits:
The Rock Springs Grazing Association continues to work
with Coffey to further refine existing data layers and to populate new layers
as other land use studies are commissioned. Coffey’s user-friendly GIS platform
makes updates and long-term maintenance of the existing data highly
streamlined. The project is adaptable to new software releases and can easily
transition from a deployed, static application to a real-time server or
Internet-based application for both use and data upkeep
