Multnomah County, #850-933

no. 850 (2006.001.1183, SLO_2026_1467): Dipper dredge at work in the Willamette River at Portland, dredging up building sand, credit Charles Oluf Olsen (1 copy). no. 887 (2006.001.1184, SLO_2026_1468): Electric welding is taught at boys Polytechnic School in Portland (1 copy). no. 891 (2006.001.1185, SLO_2026_1469): Minnie Hill, first licensed woman captain pilot on Willamette and Columbia rivers, credit Captain Arthur Riggs (1 copy). no. 911 (SLO_2026_1470): Remains of old Irving race track at Household Aid building, Cook Street, credit F. McIntosh (1 copy). no. 917 (2006.001.1186, SLO_2026_1471): West hills golf course, credit Shell Oil Company (1 copy). no. 928 (2006.001.1187, SLO_2026_1472): Captain J.C. Ainsworth (5 copies). no. 931 (2006.001.1188, SLO_2026_1473): Portland Harbor and grain boats, credit Angelus Studio (6 copies (1 mounted)). no. 932 (2006.001.1188-02, SLO_2026_1474): Steamer G.W. Shaver, insets Lincoln and J.W. Shaver (3 copies). no. 933 (SLO_2026_1475): Picture of articles that were in Captain Robert Gray's cabin on the Columbia when it entered the Columbia River, credit Angelus Studio (6 copies).