Image: Greaser Petroglyph Site - Adel Oregon
Greaser_Petroglyph_Site_-_Adel_Oregon.jpg (500 × 374 pixels, file size: 36 KB, MIME type: image/jpeg)
Description: The prehistoric petroglyphs at Greaser Canyon near Adel, Oregon, United States, are listed on the US National Register of Historic Places (NRHP). NRHP reference number 74002293
Title: Greaser Petroglyph Site - Adel Oregon
Credit: http://www.byways.org/explore/byways/2142/photos.html Transferred from en.wikipedia; transfer was stated to be made by User:Werewombat.
Author: Federal Highway Administration, U.S. Department of Transportation
Permission: Public domain
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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