Interstate 80, Donner Summit to San Francisco
![](https://siteworks.exeter.ac.uk/files/fullsize/e2f3d63d3bc18f8f0536ec6779936150.jpg)
Mel Henderson, Cow Line (5th December 1976)
Geolocation
Description
Four thousand cardboard cows were placed at intervals along the highway. (Foley 1980: 173)
Mel Henderson, Cow Line (5th December 1976)
Four thousand cardboard cows were placed at intervals along the highway. (Foley 1980: 173)