The California CAMPCO brand Potatoes brown impact at CAWELO California by S. A. Camp Co. CAWELO, CALIS. 100lbs Burlap Sack Bag Gunnysack is an original advertising item from the United States. Featuring the CAMPCO brand, this burlap sack is designed in a natural color with a theme related to agriculture. The sack would have been used to transport or store potatoes and is a collectible piece that reflects the history of seed and feed companies. The design and style of the sack capture the essence of agricultural branding from the past.