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Topographical Map near Willamette River |
12/31/1905 |
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Distribution of Automobiles by Districts and Maximum Hour Outflow from Central Traffic District |
12/31/1932 |
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Automobile Registration |
12/31/1932 |
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Present Use of Streets and Off-Street Parking Facilities |
12/31/1932 |
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Existing Transit Routes and Existing Transit Flow |
12/31/1932 |
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Proposed Intermediate Reroutings and Intermediate Track Plan |
12/31/1932 |
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Proposed Ultimate Track Plan : Central District |
12/31/1932 |
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Routing of Interurban Lines |
12/31/1932 |
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Proposed Street Improvements : Central District |
12/31/1932 |
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Diagram of Distributor and By Pass Streets |
12/31/1932 |
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Map of the Portland Region from 1825 to 1869 |
12/31/1932 |
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Topographic Characteristics of Northwest Oregon |
12/31/1932 |
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Present Street Widths and Defects |
12/31/1932 |
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Growth of City in Area |
12/31/1932 |
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Growth in Population and Area |
12/31/1932 |
