The Central and Eastern Oregon Township Plats consist of reproductions of the original manuscript plat maps for townships in regions of Oregon east of the Cascade Mountains. Most of the plats were prepared in the 1870s-1890s.
1.5 cubic feet, including 556 maps; 3 oversize boxes
The Central and Eastern Oregon Township Plats consist of one series: I. Township Plats, 1858-1939.
The Willamette Valley Township Survey Plats (MAPS Township) include similar survey plats for townships in the Willamette Valley of Oregon, primarily in the 1850s.