Robert O. Castle

• An early-20th-century uplift in southern California
• An Empirical Assessment of Refraction Error in Leveling as a Function of Survey Order and Environment
• Historical surface deformation near Oildale, California
• Recent surface movements in the Baldwin Hills, Los Angeles County, California
• Structural dislocations in eastern Massachusetts
• The Evolution of the Southern California uplift, 1955 through 1976
• The selective salvation of Zeiss Ni 1 levelings