This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Cocktail Construction Chart. en The cocktail construction chart produced at Region of the National Forest Service archives gov National Archives Catalog Cleve Red Ketcham National Forest Service Region Engineer other versions File Cocktail Construction Chart color PDUSGov Uploaded with Cocktails Engineering drawing National