Another factor has had an immense impact on soil survey, especially during the 1960s.
A major use of traditional soil surveys is to provide interpretations for various land uses and environmental planning.
Each conservation district office offers a variety of natural resource information including soil surveys.
Most of the soil surveys published before 1910 were strongly influenced by these concepts.
Work for soil surveys was done at a mapping scale 1 inch to the mile.
As a result, highly specialized studies, such as soil surveys, were limited.
They are also located in Butte County, by an older soil survey.
The combination is also used by soil scientists while creating a soil survey.
All of these soils were classed as brown podzolic in a 1959 soil survey.
There are also practical applications of soil science that might not be apparent from looking at a published soil survey.