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521-B : Tryon Creek Interceptor Unit 3 |
09/01/1962 |
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521-D : Willamette Interceptor Sewer |
12/31/1964 |
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1023 : NW Irving Ave Retaining Wall |
12/31/1964 |
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521-Z : NW Overton St and NW Pettygrove St between SW 13th Ave and SW 14th Ave |
12/31/1967 |
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921-G : NW Yeon Ave and NW Front Ave |
05/29/1968 |
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921-C-19 : SE 6th Ave, SE Division Pl Interceptor Sewer |
12/31/1968 |
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521-M : NW Front Ave - Linnton - Guilds Lake Unit 3 |
12/31/1968 |
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921-D : Portsmouth Tunnel |
12/31/1968 |
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726 : NW Kittridge Ave Overpass |
12/31/1968 |
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921-H : NW Yeon Ave Sanitary Sewer |
12/31/1970 |
