nc_spm_04 released 2007_0422 

added to PERMANENT:
vector:
boundary_county
elev_lid792_mrpts
precip_30ynormals
renamed ncfl_lidar_79200WC_pts to elev_lid792_bepts

raster:
elev_state_500m
landsat7

removed:
landuse92
scholls_publ
elev_lid_3m

some raster titles added