What we know
David Rice Williams's homestead and cheese factory on West Cherry Creek (from 1873 per the binders; 'Williamsville' in the newspapers from 1895). Cherry PO opened spring 1900, 'locally known as Williamsville'; closed 1920.
Where it was
Approximate (about half a mile): 'The Pratt schoolhouse, a mile south of Williamsville' (1899); the Cherry School lot at the NE corner of Sec. 12, T10S R66W (deeds); the post office on the later Anderson ranch, 10425 S. Hwy 83, placed by interpolating addresses along Hwy 83; Place Names of Colorado's Sec. 6, T10S R65W is half a mile east.
Placed from a written description, such as a land section, a distance from a landmark or an old survey note.
Sources
Sources are named in the text above. Numbers such as S-0080 refer to our source list. Most newspaper quotations were read in the Colorado Historic Newspapers Collection. Long quotations from recent books are shortened here.