DominantTrees_CA.csv 
- Contains the dominate tree species for FIA plots in California
- Fields are:

- cn - sequence number from the FIA plot record
- Lat - latitude in NAD 83 geographic
- Lon - longitude 

- measyear - year the plot measurement was completed
- measmonth
- measday
- CommonName
- Genus
- Species
- spcd - species code from the FIA ref_species record
- NumTrees - number of trees in the FIA plot

DominantTrees_CA_Temp_Precip.csv 
- Same columns as above except the mean annual BioClim temp and precip values were added.