Books by Halvor B. Ravenholt
Soil survey of Henrys Fork Are
Soil survey of Henrys Fork Area, Utah-Wyoming
Soil survey of Eden Valley are
Soil survey of Eden Valley area, Sweetwater and Sublette counties, Wyoming
Soil survey of Star Valley are
Soil survey of Star Valley area, Wyoming-Idaho
Soil survey of Red Creek area, Sweetwater County, Wyoming