US 1:5 million Soil Distribution Dataset (1972)

Data content (data file/table name, including observation index content) The US 1:5 million soil distribution dataset (1972) reflects the distribution of various soil types within the United States. The soil classification in this data is FAO soil classification, which includes nearly 100 soil types and nearly 500 combinations of different soil types. b.

Construction purpose Understand the soil distribution throughout the United States and provide data services for scientific research on global terrestrial surface ecosystems. c. Service object Used by scientific and technological workers engaged in soil science, agricultural ecology, and other related research. d. Time range of data 1972 e.