Cannabis Ruderalis

1892 map of South Dakota showing Washington County as it then appeared.

Washington County is a former county of South Dakota, existing from 1883 to 1943. The county was mostly within the boundaries of the Pine Ridge Indian Reservation.[1]

On July 1, 1943, Washington County was divided and then merged into Jackson County, Pennington County, and Shannon County in 1943 because of financial troubles in South Dakota.[2][3] For several years prior to its dissolution, Washington County was unorganized and was administered by Pennington County.[2] Part of Washington County had previously been partitioned into the newly created Bennett County in 1909.

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44°35′17″N 97°33′18″W / 44.588°N 97.555°W / 44.588; -97.555

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