Early Maps Western Washington Progress of surveys in 1863 (2 MG) Eastern Washington Progress of surveys in 1863 (2 MG) Oregon progress of surveys in 1866 (1 MG) Washington progress of surveys 1883 (8 MG) Washington progress of surveys 1970 (500 KB) Township Plat of East Vancouver from 1856. Contract No. 1 under Washington Surveyor General (10 MB) Township Plat of Vancouver from 1860 1925 map of Mount St. Helens vicinity Surveying History Introduction General Land Office Surveyors of Washington General Land Office Surveyors of Oregon General Land Office Surveyors of Idaho Washington State Surveyors Database Early Photos Early Maps Jerry Olson’s books on local surveying history