1918 Roy Port of Ivanpah Valley reportedly stays in Hotel Nipton on a trip up from San Diego. Hotel was "old" at that time. (N. Huth -1981).

1922 Harry Trehearne becomes full time resident of Nipton on May 6, 1922. (1935 Homestead Entry No. 022952).

1922-24 Harry Trehearne leases railroad station site (20 acres) from Union Pacific R.R (inference based upon references to ground "leased from railroad" in 1935 Homestead Entry No. 022952).

1924 Original (wooden) store constructed by Harry Trehearne doing business under the trade name Nipton Mercantile Company; Trehearne also repairs Hotel Nipton for occupancy at an expenditure of $3,000.(1935 Homestead Entry No. 022952).

1928 Trehearne files original Settlement Claim on 320 acre enlarged homestead tract adjoining the "Railroad Station Grounds at Nipton, California". The Sacramento General Land Office designation of Serial 022952 is given to the Settlement Claim. Subsequent decision by the G.L.O. to reject the "enlarged homestead" is issued on March 7, 1930.

1929 Light Plant constructed at Nipton to provide electricity for the townsite. Equipped with 2 KOHLER 5kW generators. 1930-31 "Big John" Silvera, Deputy Sheriff of Searchlight completes work on "Garden of Mystery" in front of Hotel Nipton. (Smith 1981)