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Oregon Historical County Records Guide

Union County Records Inventory

Maps, Plans, and Drawings

1910-[ongoing]

Series provides a visual representation of the county and of physical structures constructed on county lands. Series includes maps, plans, and drawings that vary in size, scale, and date. Included are maps, plans, and drawings of counties and cities, election precincts, courthouses and other county buildings, cemeteries, rivers, Indian reservations, school districts, construction projects, and soil classifications. General road maps may be found in the series titled Road and Bridge Records. Technical road survey maps may be found in the series titled Road Maps and Survey Notes.

Records at the Chaplin Building, Clerk's Resource Room:
[Assessment Maps-township and range], vol. 1-6, n.d.-present (6 volumes);
Assessor's Reduction Maps [township and range], n.d.-present (2 binders);
Cities [Maps], ca.1991-2000 (10 maps);
Districts [Miscellaneous Maps-includes soil and water conservation, television cable, and rural fire protection districts], ca.1982-ca.1995 (ca.15 maps);
La Grande Island City Area [Map], n.d. (1 map);
Soil Survey of Union County Area [United States Department of Agriculture-includes maps], 1985 (1 volume);
[Union County Road Index, Code, and District Maps], ca.1974 (4 maps);
Voting Precincts and Taxing Districts [Maps], ca.2000 (8 maps); 2005 (8 maps).

Records at the Chaplin Building, Planning Department Conference/Storage Room:
[City and County Comprehensive Plan Development and Reference Maps-includes flood plain, timber, transportation, cities, parks, roads, etc.], ca.1973-ca.1995 (ca.100 maps and drawings).

Records at the Chaplin Building, Assessor/Surveyor Map Room:
Original Mylars [Assessor's Plats], ca.1992-present (ca.800 maps);
[Quadrangle Maps], 1963-1967 (ca.50 maps);
Revised & Replaced Tracing [Assessor Maps], 1978-1992 (1 volume);
[Soils Maps], ca.1983-ca.1994 (ca.100 maps);
Timber Type Maps, 1962 (1 volume).

Records at the Chaplin Building, Assessor/Tax Collector Office:
[Assessor Maps], n.d.-present (6 volumes);
Soils Maps, 1962-present (3 volumes).

Records at the Union County Public Works Department Office:
Topographic Maps [Quadrangle], 1963-1994 (ca.40 maps).

Records at the Union County Public Works Department Office, Vault:
[Assessor Maps-in hanging files], ca.1982-ca.1994 (4 volumes);
Metsker's Atlas of Union County Oregon, 1935 (1 volume).

Records at the Union County Law Enforcement Services Building, Microfilm Storage Room:
[Irrigation Plats], vol. 1, n.d. (1 reel of microfilm).

Records at the Union County Museum:
Fire Insurance Map North Powder [Sanborn Rate], 1939 (1 volume);
[Sanborn Fire Insurance Rate Maps-City of Union], 1910 (1 volume).

Records at a Related Web Site:
Tax Assessment GIS Maps [select county], n.d.-present (Internet).

Oregon Secretary of State • 136 State Capitol • Salem, OR 97310-0722
Phone: (503) 986-1523 • Fax: (503) 986-1616 • oregon.sos@state.or.us

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