1970_Washington_state_highways_(primary-secondary).svg
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Summary
| Description | This is a map of the state highways in Washington as they existed in 1970, just before the old primary-secondary split was removed. Primary routes are red and secondary routes are purple. Thin orange is just current routes. Email me if you would like a copy of the GIS data I created for the highways. |
| Date | 2 April 2008 (original upload date) |
| Source | No machine-readable source provided. Own work assumed (based on copyright claims). |
| Author | No machine-readable author provided. NE2 assumed (based on copyright claims). |
Licensing
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I, the copyright holder of this work, release this work into the
public domain
. This applies worldwide.
In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose , without any conditions, unless such conditions are required by law. |