Rodent pests cause heavy damage to the crops of Utah. The four most destructive of these pests are ground squirrels, pocket gophers, rabbits, and field mice.
The most effective method for the destruction of these animal pests is the use of poisoned baits. A very important factor in their control is the natural enemies.
The formulae recommended in the following pages have been, and are now being, used with excellent success in this and neighboring states.
Sorenson, Charles J., "Circular No. 29 - The Control of Rodent Pests: Directions for Killing Ground Squirrels, Pocket Gophers, Rabbits, and Field Mice" (1918). UAES Circulars. Paper 24.