1900Broadus post office established, named after the Broaddus family. 1919Powder River County formed. Frank Kelsey, Moorhead rancher and Custer County state senator, introduced the bill drawn up by A.W. Heidel, Helena . . . — — Map (db m203084) HM
From its source in central Wyoming to its union with the Yellowstone River, the Powder River is 250 miles long, "a mile wide and an inch deep; to thick to drink and to thin to plow." During World War I, Montana's 91st Division gained national . . . — — Map (db m189210) HM
Thin black lines indicate changes in relevance. Between each pair of lines entries are ordered geographically but all have the same relevance.
* Inflectional forms of words are their plurals, singulars, and possessives as well as gramatical tenses and similar variations.