"VARIABLE"	"DESCRIPTION"	"UNITS"	"RANGE_LOW"	"RANGE_HIGH"	"LEGAL_VALUES"
"DATE_COL"	"Date of field collection"				
"EPA_REG"	"EPA region"				
"FW_ECO3"	"Three climatic regions of the US used in WSA in indicator development: Eastern Highlands, West, and Plains and Lowlands"				
"FW_ECO9"	"Aggregated level 3 ecoregions used in WSA"				
"GREAT_RIVER"	"Great river site"				
"HUC8"	"8-digit HUC catalog unit number"				
"INDEX_VISIT"	"Index visit for NRSA population estimates"				
"INDEXVIS_FTIS"	"Index visit for NRSA population estimates for fish tissue only"				
"LAT_DD83"	"Nominal latitude in decimal degrees"				
"LMR_SITE"	"Lower Mississippi River site"				
"LOC_NAME"	"Site name from verification form"				
"LON_DD83"	"Nominal longitude in decimal degrees"				
"MASTER_SITEID"	"If used in WSA, WSA Site_ID. If new, current Site_ID"				
"MISS_SUB"	"Mississippi sub-basin"				
"NHDWAT_AREA_SQKM"	"Area of NHDPlus navigated cumulative basin in square kilometers"	""			
"RT_NRSA_CAT"	"Impact designations for use in indicator development for NRSA"				
"SITE_CLASS"	"Site class (NAWQA, PROB, HAND)"				
"SITE_ID"	"Site identification code"				
"STATE"	"State in which site located"				
"STRAHLERORDER"	"Strahler stream order from RF3 stream data"				
"UID"	"Unique site visit ID"				
"URBAN"	"Urban site"				
"VISIT_NO"	"Visit number for that year"				
"WGTNRSA09"	"NRSA population weight for site"				
"XLAT_DD"	"X-site GPS latitude decimal degrees"				
"XLON_DD"	"X-site GPS longitude decimal degrees"				
"YEAR"	"Sampling year"