Forest Service, United States. Soil Conservation Service California Agricultural Experiment Station. Parrish-Gullied ... The gullies are 2 to 4 feet deep and 500 to 1, 000 feet apart. Runoff is medium ... Perkins Series In the Perkins series are nearly level to very gently sloping, gravelly soils that are well drained. These soils anbsp;...
|Title||:||Soil survey, Glenn County, California|
|Author||:||Eugene L. Begg, United States. Forest Service, United States. Soil Conservation Service|