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7.5 minute series (topographic), [Oregon]. 45122-A7-TF-024, Silverton quadrangle, Oregon, 1956
- Author / Creator
- Available as
- Physical
Details
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- Creator
- mapped, edited, and published by the Geological Survey
- Included Title
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- Silverton quadrangle, Oregon
- Format
- Maps, Atlases
- Language
- English
- Publication
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- Photorevised 1985
- Reston, Va. : The Survey : For sale by the USGS, [19--]-
- Physical Details
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- maps : col. ; 58 x 41 cm
- Cartographic Data
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Scale 1:24,000, polyconic proj(W 122⁰52ʹ30 --W 122⁰45ʹ00 /N 45⁰07ʹ30 --N 45⁰00ʹ00 ).
- Relief shown by contours and spot heights.
- "Revisions shown in purple compiled from aerial photographs taken 1981."
- Map edited and printed 1985.
- Includes quadrangle location map.
- "DMA 1474 III SE-Series V892."