1. Map showing condition and progress of astronomic location, primary triangulation, primary traverse Creator: Geological Survey (U.S.) Published / Created: [1897] Call Number: 75BF 1897 Container / Volume: BRBL_00407A Image Count: 1 Resource Type: Maps, Atlases & Globes Alternative Title: Annual report ; eighteenth Publisher: USGS, Subject (Geographic): United States--Surveys--Maps Found in: Beinecke Rare Book and Manuscript Library > Map showing condition and progress of astronomic location, primary triangulation, primary traverse and precise leveling, for the fiscal year 1896-7.