Sketch I: Progress of the Survey in Section No. 9
Cartographer / Artist: U.S. Coast Survey (A.D. Bache)
Date Created: 1848
Medium: Map
Physical Dimensions: 📐 13.6 × 9.2 in / 34.5 × 23.4 cm
Geographic Scope: Texas, United States
Archive Catalog ID: 1606
Provenance: The Dr. Joseph R. Rubini Archive
Collection: US Coastal Surveys
Administrative sketch showing triangulation progress along the Texas coastline.
Condition: Excellent, clear lines, minimal wear.




