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Council Crest |
07/12/1902 |
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Laurelhurst and Laurelhurst Park |
09/30/1916 |
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National Rose Test Garden |
12/31/1917 |
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Portland Zoo - History |
05/04/1962 |
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Forestry Building |
09/02/1964 |
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Mount Tabor |
12/31/1970 |
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Lewis and Clark Exhibition - Northwest |
05/31/1975 |
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Hoyt Arboretum |
06/30/1977 |
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Forest Park |
09/05/1977 |
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Pittock Mansion Society |
12/31/1977 |
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West Moreland Recreation Park [Westmoreland Park] - Southeast |
03/03/1978 |
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Parks - Northwest |
12/31/1978 |
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Washington Park [and Arlington Heights] - History |
12/11/1979 |
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Leach Botanical Garden and Museum |
08/26/1981 |
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The Forty Mile Loop [40 - Mile Loop] |
11/30/1981 |
