The following are are references and page numbers to Robert H. Hinckley from Hilda Madsen Longdorf's "History of Mt. Pleasant".
June 24, 1917, Mary Elizabeth, thirteen months old child of Charles M. and Josephine Peterson, was drowned in Twin Creek channel east of the city.
For a number of years, a Traveling Library, free to the public, was sponsored by members of the Twentieth Century Literary Club and the Home Culture Club of Mt. Pleasant.
During Daniel Rasmussen's term as mayor, the Carnegie Library was built, being formally opened to the public, February 15, 1917. This year the Seely-Hinckley building, corner First West and Main, was built by John H. Seely and Robert H. Hinckley. P 199
In December 1925, during Robert H. Hinckley's term as mayor, the White Way was completed by the paving of Main Street. This was celebrated by an appropriate program and dancing on the pavement. This year the Lion's Club was organized in Mt. Pleasant, with Charles Eatinger as president, and Earl F. Gardemann, as secretary. P 202
The new city hall was dedicated August 23rd. Following aparade, a program was held on the steps of the building. Senator Ed Johnston presided. Invocation was offered by Daniel Rasmussen and the dedicatory prayer by C. W. Sorensen, and an historical sketch was given by Mrs. S. D. Longsdorf. Talks by Judge. George Christensen, of Price; Robert H. Hinckley, of Ogden, Chairman Civil Aeronautics Commission; and Darrell Greenwell, of Salt Lake City, State WP A Director, who also, in behalf of the WP A, presented the building to Mt. Pleasant. The response and acceptance speech was given by Councilman A. L. Peterson. Musical numbers were rendered by Mr. and Mrs. Roger Hansen, Dean and Wayne Peterson, Grant, Vernon, and Don Johansen, Mrs. G. B. Madsen, Mrs. S. H. Gill, and Mrs. H. G. Ericksen. P 207-208
1924-25. Mayor, Robert H. Hinckley; Recorder, Calvin Christensen; Teasurer, Effie R. Larsen; Councilors, O. F. Wall, four years; P. A. Poulsen, Joseph Matson, M. C. Petersen, Joseph Johansen Jr.