R. H. Campbell

Applications of hand held computers in agriculture.

R. H. Campbell, J. Saalfeld, 1990 .

Preliminary geologic map of the Santa Susana 7.5' quadrangle, southern California: A digital database

R. H. Campbell, R. F. Yerkes, 1997 .

Preliminary geologic map of the Val Verde 7.5` Quadrangle, Southern California

R. H. Campbell, R. F. Yerkes, 1995 .

Isopleth map of landslide deposits, Point Dume quadrangle, Los Angeles County, California; an experiment in generalizing and quantifying areal distribution of landslides

R. H. Campbell, 1973 .

Preliminary geologic map of the Simi 7.5' quadrangle, southern California: A digital database

R. H. Campbell, R. F. Yerkes, 1997 .

Debris flows originating from soil slips during rainstorms in Southern California*

R. H. Campbell, R. Campbell, 1974, Quarterly Journal of Engineering Geology.