Harold A. Whitcomb
1913
Ground-water resources and geology of Niobrara County, Wyoming- Ground-water resources and geology of Niobrara County, Wyoming
- Ground-water resources and geology of northern and central Johnson County, Wyoming
- Ground-water resources and geology of northern and central Johnson County, Wyoming
- Ground-water resources and geology of northern and western Crook County, Wyoming
- Ground-water resources and geology of northern and western Crook County, Wyoming