Citation Information
| Publication Year | 1991 |
|---|---|
| Title | Geologic mapping of tunnels using photogrammetry--camera and target positioning |
| DOI | 10.3133/ofr9049 |
| Authors | Jeffrey A. Coe, Keld S. Dueholm |
| Publication Type | Report |
| Publication Subtype | USGS Numbered Series |
| Series Title | Open-File Report |
| Series Number | 90-49 |
| Index ID | ofr9049 |
| Record Source | USGS Publications Warehouse |