This table stores general, constant information about the a given plot
Description
plot contains Plot location, dimension, and similarly constant site data, plus metadata that need be stored only once. Transient observational information (procured during the first or subsequent observation events) are stored separately in observation or its children.
RockType values conform to the lithic types in the FGDC Soil Geographic Data Standards, September 1997. http://www.fgdc.gov/standards/documents/standards/soils/soil997.PDF (pages 56-59).