Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of East Beaver County Soil Conservation District number 49, with additional notations for annexation No 1 (May 25, 1946), No 2 (July 12, 1947), No 3 (Jan 24, 1950), and bordering counties, including the state of Texas. The district was organized on March 4, 1941, and began operations February 10, 1942, encompassing eastern part of Beaver County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Greer County Soil Conservation District number 50, with additional notations for the Red River and bordering counties. The district was organized on March 29, 1941, and began operations March 2, 1943, encompassing all of Greer County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Payne County Soil Conservation District number 51, with additional notations for the Cimarron River and county borders. The district was organized on March 29, 1941, and began operations April 20, 1943, encompassing all of Payne County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of North Caddo Soil Conservation District number 52, with additional notations for south Canadian River, annexation No 1 (March 31, 1945) and annexation No 2 (August 21, 1950). The district was organized on May 3, 1941, and began operations July 6, 1943, encompassing north of Caddo County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Dewey County Soil Conservation District number 53, with additional notations for bordering counties. The district was organized on May 31, 1941, and began operations March 4, 1943, encompassing all of Dewey County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Rogers County Soil Conservation District number 54, with additional notations for bordering counties, has except a portion south of Bird Creek, and south/west of Verdiqris River. The district was organized on June 28, 1941, and began operations June 5, 1944, encompassing all of Rogers County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Delaware County Soil Conservation District number 55, with additional notations for the Grand River and bordering counties, and states of Missouri and Arkansas. The district was organized on June 20, 1941, and began operations June 26, 1944, encompassing all of Delaware County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Oklahoma County Soil Conservation District number 56, with additional notations for bordering counties and annexation No 1 (August 31, 1946; twps 13 and 14, range 4 west & twps 13 & 14, range 3 west). The district was organized on July 19, 1941, and began operations September 11, 1944, encompassing parts of Oklahoma County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Soth Caddo Soil Conservation District number 57, with additional notations for bordering counties. The district was organized on October 15, 1941, and began operations November 16, encompassing parts of south Caddo County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Woodward County Soil Conservation District number 58, with additional notations for bordering counties. The district was organized on April 11, 1942, and began operations July 28, 1944, encompassing all of Woodward County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Noble County Soil Conservation District number 59, with additional notations for bordering counties. The district was organized in May 29, 1943, and began operations October 31, 1944, encompassing all of Noble County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Comanche County Soil Conservation District number 60, with additional notations for bordering counties. The district was organized on March 4, 1944, and began operations February 9, 1945, encompassing all of Comanche County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Jefferson County Soil Conservation District number 61, with additional notations for the Red River and bordering counties. The district was organized on May 6, 1944, encompassing all of Jefferson County

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Cimarron Valley Soil Conservation District number 62, with additional notations for the interior of Blaine County and its surrounding counties, and annexation No 1 (October 27, 1944). The district was organized on May 2, 1944, and began operations January 1, 1945, encompassing part of Blaine County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Caney Valley Soil Conservation District number 63, with additional notations for borders of other counties, including the state of Kansas. The district was organized on June 22, 1944, and began operations June 22, 1944, encompassing March 6, 1945.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Major County Soil Conservation District number 64, with additional notations for the Cimarron River and bordering counties. The district was organized on July 22, 1944, and began operations May 10, 1945, encompassing all of Major County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Alfalfa County Soil Conservation District number 65, with additional notations for bordering counties, including the state of Kansas, and annexations No 1 and No 2 (February 22, 1946). The district was organized on August 19, 1944, and began operations December 5, 1945, encompassing all of Alfalfa County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Blaine County Soil Conservation District number 66, with additional notations for bordering counties. The district was organized on August 29, 1944, and began operations August 24, 1945, encompassing parts of Blaine County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Adair County Soil Conservation District number 67, with additional notations for bordering counties and state of Arkansas. The district was organized on October 21, 1944, and began operations January 24, 1946, encompassing all of Adair County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Deer Creek Soil Conservation District number 68, with additional notations for Annexation No 1 (Twps 10 & 11 north, Range 14 west and the east five miles of twps, 10 & 11 north of range 15 west). The district was organized in November 4, 1944, and began operations January 2, 1946, encompassing parts of Custard and Washita Counties.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Osage County Soil Conservation District number 69, showing all of Osage County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Sequoyah County Soil Conservation District number 39, with additional notations for neighboring counties, including the state of Arkansas. The district was organized on January 31, 1940, and began operations August 11, 1941, encompassing all lands within the boundaries of Sequoyah County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Grant County Soil Conservation District number 71, with additional notations for bordering counties and state of Kansas. The district was organized on August 25, 1945, and began operations December 19, 1946, encompassing all of Grant County.

Township-range grid map for a portion of Oklahoma with handwritten markings denoting the boundaries of Western Kay County Soil Conservation District number 72, with additional notations for the Arkansas River, bordering counties, and bordering state Kansas. The district was organized on August 22, 1945, and began operations December 19, 1946, encompassing western Kay County.