USGS Quadrangle Boundaries and Corner Points in Illinois [Illinois]
Illinois Geospatial Data Clearinghouse
Full Details
- Title
- USGS Quadrangle Boundaries and Corner Points in Illinois [Illinois]
- Description
- Point, line, and polygon data that describe ideal USGS quadrangle boundaries and cornor points for quadrangles that intersect the state of Illinois. ISGS, 1992 (revised 1998). Includes line and polygon feature classes for each of the following scales/extents: 3.75-minute x 3.75-minute, commonly called quarter-quadrangles, typically used for a 1:12,000-scale index, 7.5-minute x 7.5-minute, the common USGS topographic sheet extent, typically 1:24,000-scale in Illinois, 15-minute x 15-minute, typically used for 1:62,500-scale index, 30-minute x 1 degree, typically used for 1:100,000-scale index, 1-degree x 2-degree, typically used for 1:250,000-scale index.
- Publisher
- Illinois Geospatial Data Clearinghouse
- Access Rights
- Public
- Format
- File
- Language
- English
- Date Added
- October 21, 2023
- Provenance Statement
- The metadata for this resource was last retrieved from ISGS on 2025-11-17.
View more items like this one...
