Subject
- Aerial photography in forestry2
- Aerial photography in agriculture1
- Aerial photography in agriculture -- Data processing1
- Aerial photography in forestry -- Oregon -- Siuslaw National Forest1
- Analytical plotters (Photogrammetry)1
- Forest mapping -- Oregon -- Siuslaw National Forest -- Data processing1
- Forest surveys -- Data processing1
- Geographic information systems1
- Image processing -- Digital techniques1
- Turfgrasses -- Color -- Remote sensing1