From the record
“The Sussex Post Office and Store, also known as Sussex Community Hall, is located on the north bank of the Powder River in southeast Johnson County about twenty miles east of Kaycee, Wyoming. The store was built in 1914, and was listed on the National Register of Historic Places in 1998.”
Wikipedia article Sussex Post Office and Store, CC BY-SA 4.0.
One of 22 National Register listings published here for Johnson County · listed in 1998 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service
