Progress of the transcontinental triangulation and reconnaissance
Subtitle: eastward from the Pacific Coast
Published: 1879
Language: eng
Format: [cartographic material]
Number of pages: 50
Subjects: Triangulation; Maps; Surveys
Notes: [Coast and Geodetic Survey report, 1879, no. 30.]

cat-rda internet archive 20121010 reg

DigitalMapProject

Description based on print version record.

Georeferenced (world file) : WGS84 Decimal Degrees.

Scanned map showing 19th century surveyors triangulations of western U.S.

DPI - 200