On Park Road 0.4 miles south of West Madison Avenue.
To all pioneers who crossed over Three Island Crossing and helped to win the west. Erected 1931 by Troop One Boy Scouts of America Roslyn, New York Scoutmaster E.K. Pietsch Reproduced 1990 — — Map (db m31679) HM
Near Canyon Creek/Mayfield Road near Memory Lane, on the right when traveling west.
John C. Fremont reported using the Canyon Creek crossing in 1843 and Lansford Hastings's 1845 Emigrant's Guide to Oregon and California listed the site as an important Oregon Trail crossing and campsite. Emigrant diaries report frequent use of . . . — — Map (db m125784) 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.