COLUMN_NAME	SAMPLE_TYPE	UNITS	LABEL	FORMABBR	VAR_TYPE	RANGE_HIGH	RANGE_LOW	LEGAL_VALUES
AGR_ANIMAL	BUFF		Confined Animal Feeding	NWCA_BUFFER	CHARACTER			|Y
AGR_DAIRY	BUFF		Dairy	NWCA_BUFFER	CHARACTER			|Y
AGR_FALLOW_OLD	BUFF		"Fallow field (old - grass, shrubs, trees)"	NWCA_BUFFER	CHARACTER			|Y
AGR_FALLOW_RECENT	BUFF		Fallow field (recent - resting row crop field)	NWCA_BUFFER	CHARACTER			|Y
AGR_GRAVEL	BUFF		Gravel pit	NWCA_BUFFER	CHARACTER			|Y
AGR_IRRIGATION	BUFF		Irrigation	NWCA_BUFFER	CHARACTER			|Y
AGR_NURSERY	BUFF		Nursery	NWCA_BUFFER	CHARACTER			|Y
AGR_ORCHARD	BUFF		Orchard	NWCA_BUFFER	CHARACTER			|Y
AGR_PASTURE	BUFF		Pasture/hay	NWCA_BUFFER	CHARACTER			|Y
AGR_RANGE	BUFF		Range	NWCA_BUFFER	CHARACTER			|Y
AGR_ROW	BUFF		Row crops	NWCA_BUFFER	CHARACTER			|Y
AGR_RURAL	BUFF		Rural residential	NWCA_BUFFER	CHARACTER			|Y
BARE	BUFF		"Cover class for Bare ground: 0=Absent, 1=Sparse(<10%), 2=Moderate(10-40%), 3=Heavy(40-75%), 4=Very Heavy (>75%)"	NWCA_BUFFER	CHARACTER			|0|1|2|3|4
BG_TREE	BUFF		"Cover class for Big Trees (>0.3 m DBH): 0=Absent, 1=Sparse(<10%), 2=Moderate(10-40%), 3=Heavy(40-75%), 4=Very Heavy (>75%)"	NWCA_BUFFER	CHARACTER			|0|1|2|3|4
BIRDSFOOT_TREFOIL	BUFF		Lotus corniculatus L.	NWCA_BUFFER-TAS	CHARACTER			|Y
CANADA_THISTLE	BUFF		Cirsium arvense (L.) Scop.	NWCA_BUFFER-TAS	CHARACTER			|Y
CANOPY_TYPE	BUFF		"Tree canopy type:  (D)eciduous, (E)vergreen"	NWCA_BUFFER	CHARACTER			|D|E|DE|ABSENT
CHEATGRASS	BUFF		Bromus tectorum L.	NWCA_BUFFER-TAS	CHARACTER			|Y
CLASS_FIELD_FWSST			US Fish and Wildlife Service Status and Trends wetland class assigned during field visit					
COMMON_BUCKTHORN	BUFF		Rhamnus cathartica L.	NWCA_BUFFER-TAS	CHARACTER			|Y
COMMON_REED	BUFF		Phragmities australis (Cav.) Trin. Ex Steud.	NWCA_BUFFER-TAS	CHARACTER			|Y
DATE_COL			Date of primary site visit					
ECO_X_ST			"Combined NWCA_ECO4 and SANDT_FIELD_GRPS classes:CPL-PH=Coastal Plain Palustrine Herbaceaous,CPL-PW=Coastal Plain Palustrine Woody,E2EM=Estuarine Emergent,E2SS=Estuarine Shrub-scrub,EMU-PH=Eastern Mountains and Upper Midwest Herbaceous,EMU-PW=Eastern Mountains and Upper Midwest Woody,IPL-PH=Interior Plains Herbaceous,IPL-PW=Interior Plains Woody,W-PW=West Woody,W-PH=West Herbaceous"					
EVAL_LAT	BUFF	DD	Latitude of evaluation location	NWCA_BUFFER-TAS	NUMERIC	89.27327	24.592196	
EVAL_LON	BUFF	DD	Longitude of evaluation location	NWCA_BUFFER-TAS	NUMERIC	-43.17824	-161.66774	
GARLIC_MUSTARD	BUFF		Allaria petiolata (Bieb.) Cavara & Grande	NWCA_BUFFER-TAS	CHARACTER			|Y
GIANT_REED	BUFF		Arundo donax L.	NWCA_BUFFER-TAS	CHARACTER			|Y
HAB_CLEAR_CUT	BUFF		Forest clear cut	NWCA_BUFFER	CHARACTER			|Y
HAB_EROSION	BUFF		"Soil erosion (from wind, water, or overuse)"	NWCA_BUFFER	CHARACTER			|Y
HAB_FOREST_BURNED	BUFF		Recently burned forest (canopy)	NWCA_BUFFER	CHARACTER			|Y
HAB_GRASS_BURNED	BUFF		Recently burned grassland (blackened)	NWCA_BUFFER	CHARACTER			|Y
HAB_GRAZED	BUFF		"Highly grazed grasses (overall < 3\ high)"""	NWCA_BUFFER	CHARACTER			|Y
HAB_HERBICIDE	BUFF		Herbicide use	NWCA_BUFFER	CHARACTER			|Y
HAB_HERBIVORY	BUFF		Tree canopy herbivory (insect)	NWCA_BUFFER	CHARACTER			|Y
HAB_MOWING	BUFF		Mowing/shrub cutting	NWCA_BUFFER	CHARACTER			|Y
HAB_ORV	BUFF		Offroad vehicle damage	NWCA_BUFFER	CHARACTER			|Y
HAB_PLANTATION	BUFF		Tree plantation	NWCA_BUFFER	CHARACTER			|Y
HAB_SELECTIVE_CUT	BUFF		Forest selective cut	NWCA_BUFFER	CHARACTER			|Y
HAB_SHRUB	BUFF		Shrub layer browsed (wild or domestic browers)	NWCA_BUFFER	CHARACTER			|Y
HAB_SOIL	BUFF		Soil compaction caused by humans or animals	NWCA_BUFFER	CHARACTER			|Y
HAB_TRAILS	BUFF		Trails	NWCA_BUFFER	CHARACTER			|Y
HIMALAYAN_BLACKBERRY	BUFF		Rubus armeniacus Focke	NWCA_BUFFER-TAS	CHARACTER			|Y
HYD_DDRR	BUFF		Dike/Dam/Road/RR Bed present in plot	NWCA_BUFFER	CHARACTER			|Y
HYD_DITCH	BUFF		"Ditches, Channelization present in plot"	NWCA_BUFFER	CHARACTER			|Y
HYD_EXCAVATION	BUFF		"Excavation, Dredging present in plot"	NWCA_BUFFER	CHARACTER			|Y
HYD_FILL	BUFF		Fill/Spoil Banks present in plot	NWCA_BUFFER	CHARACTER			|Y
HYD_IMPERVIOUS	BUFF		Impervious surface input present in plot	NWCA_BUFFER	CHARACTER			|Y
HYD_INLETS	BUFF		"Inlets, Outlets, present in plot"	NWCA_BUFFER	CHARACTER			|Y
HYD_PIPE	BUFF		Point Source/Pipe present in plot	NWCA_BUFFER	CHARACTER			|Y
HYD_SEDIMENT	BUFF		Freshly Deposited Sediment present in plot	NWCA_BUFFER	CHARACTER			|Y
HYD_SOIL	BUFF		Soil Loss/Root Exposure present in plot	NWCA_BUFFER	CHARACTER			|Y
HYD_WALL	BUFF		Wall/Riprap present in plot	NWCA_BUFFER	CHARACTER			|Y
HYD_WATER	BUFF		Water Level Control Structure present in plot	NWCA_BUFFER	CHARACTER			|Y
IND_MILITARY	BUFF		Military	NWCA_BUFFER	CHARACTER			|Y
IND_OIL	BUFF		Oil drilling	NWCA_BUFFER	CHARACTER			|Y
JAPAN_KNOTWEED	BUFF		Polygonum cuspidatum Siebold & Zucc.	NWCA_BUFFER-TAS	CHARACTER			|Y
JOHNSON_GRASS	BUFF		Sorgham halepense (L.) Pers.	NWCA_BUFFER-TAS	CHARACTER			|Y
KNOTWEED	BUFF		Polygonum aviculare L.	NWCA_BUFFER-TAS	CHARACTER			|Y
KUDZU	BUFF		Pueraria montana (Lour.) Merr.	NWCA_BUFFER-TAS	CHARACTER			|Y
LEAF_TYPE	BUFF		"Tree leaf type: (B)roadleaf, (N)eedleleaf"	NWCA_BUFFER	CHARACTER			|B|N|BN
LITTER	BUFF		"Cover class for Litter, duff: 0=Absent, 1=Sparse(<10%), 2=Moderate(10-40%), 3=Heavy(40-75%), 4=Very Heavy (>75%)"	NWCA_BUFFER	CHARACTER			|0|1|2|3|4
MID_SHRUB	BUFF		"Cover class for Woody shrubs, saplings (0.5-5m high): 0=Absent, 1=Sparse(<10%), 2=Moderate(10-40%), 3=Heavy(40-75%), 4=Very Heavy (>75%)"	NWCA_BUFFER	CHARACTER			|0|1|2|3|4
MILE_A_MINUTE	BUFF		Polygonum perfoliatum L.	NWCA_BUFFER-TAS	CHARACTER			|Y
MULTIFLORA_ROSE	BUFF		Rosa multiflora Thunb. Ex Murr.	NWCA_BUFFER-TAS	CHARACTER			|Y
NONWOODY	BUFF		"Cover class for Herbs, forbs, grasses: 0=Absent, 1=Sparse(<10%), 2=Moderate(10-40%), 3=Heavy(40-75%), 4=Very Heavy (>75%)"	NWCA_BUFFER	CHARACTER			|0|1|2|3|4
NWCA_ECO4			"Aggregated ecoregions based on FW_ECO9 regions:CPL=Coastal Plain,EMU=Eastern Mountains and Upper Midwest,IPL=Interior Plains,W=West"					
PERENNIAL_PEPPERWEED	BUFF		Lepidium latifolium L.	NWCA_BUFFER-TAS	CHARACTER			|Y
PLOT			Sampling plot					
PLOT	BUFF			NWCA_BUFFER	CHARACTER			|1|2|3
PLOT_LOC	BUFF		Location of plot coordinates	NWCA_BUFFER-TAS	CHARACTER			|AA|N3|S3|W3|E3|NP
PLOT_NOT_SAMPLED	BUFF		Name of the plot that was not sampled	NWCA_BUFFER	CHARACTER			|PLOT_1|PLOT_2|PLOT_3
POISON_HEMLOCK	BUFF		Conium maculatum L.	NWCA_BUFFER-TAS	CHARACTER			|Y
PURPLE_LOOSESTRIFE	BUFF		Lythrum salicaria L.	NWCA_BUFFER-TAS	CHARACTER			|Y
REED_CANARY_GRASS	BUFF		Phalaris arundiancea L.	NWCA_BUFFER-TAS	CHARACTER			|Y
RES_DUMPING	BUFF		Dumping present in plot	NWCA_BUFFER	CHARACTER			|Y
RES_FOUR	BUFF		Four-lane road present in plot	NWCA_BUFFER	CHARACTER			|Y
RES_GOLF	BUFF		Golf course present in plot	NWCA_BUFFER	CHARACTER			|Y
RES_GRAVEL	BUFF		Gravel Road present in plot	NWCA_BUFFER	CHARACTER			|Y
RES_LANDFILL	BUFF		Landfill present in plot	NWCA_BUFFER	CHARACTER			|Y
RES_LAWN	BUFF		Lawn or park present in plot	NWCA_BUFFER	CHARACTER			|Y
RES_LOT	BUFF		Parking lot/pavement present in plot	NWCA_BUFFER	CHARACTER			|Y
RES_RES	BUFF		Suburban Residential present in plot	NWCA_BUFFER	CHARACTER			|Y
RES_TRASH	BUFF		Trash present in plot	NWCA_BUFFER	CHARACTER			|Y
RES_TWO	BUFF		Two-lane road present in plot	NWCA_BUFFER	CHARACTER			|Y
RES_URBAN	BUFF		Urban/multifamily present in plot	NWCA_BUFFER	CHARACTER			|Y
ROCK	BUFF		"Cover class for Rocks: 0=Absent, 1=Sparse(<10%), 2=Moderate(10-40%), 3=Heavy(40-75%), 4=Very Heavy (>75%)"	NWCA_BUFFER	CHARACTER			|0|1|2|3|4
SITE_ID			Identification code for site					
SITE_USE			Result classifies each point in a way that indicates how a point can be used in analysis or not					
SM_SHRUB	BUFF		"Cover class for Big Trees (>0.3 m DBH): 0=Absent, 1=Sparse(<10%), 2=Moderate(10-40%), 3=Heavy(40-75%), 4=Very Heavy (>75%)"	NWCA_BUFFER	CHARACTER			|0|1|2|3|4
SM_TREE	BUFF		"Cover class for Small Trees (<0.3 m DBH): 0=Absent, 1=Sparse(<10%), 2=Moderate(10-40%), 3=Heavy(40-75%), 4=Very Heavy (>75%)"	NWCA_BUFFER	CHARACTER			|0|1|2|3|4
STATE			State abbreviation					
SUB_VEG	BUFF		"Cover class for Submerged Vegetation: 0=Absent, 1=Sparse(<10%), 2=Moderate(10-40%), 3=Heavy(40-75%), 4=Very Heavy (>75%)"	NWCA_BUFFER	CHARACTER			|0|1|2|3|4
TAMARISK	BUFF		Tamarix spp. L.	NWCA_BUFFER-TAS	CHARACTER			|Y
UID			Unique identification number for a site visit					
VISIT_NO			Visit number within the year					
WATER	BUFF		"Cover class for Water: 0=Absent, 1=Sparse(<10%), 2=Moderate(10-40%), 3=Heavy(40-75%), 4=Very Heavy (>75%)"	NWCA_BUFFER	CHARACTER			|0|1|2|3|4
WATER_HYACINTH	BUFF		Eichronia crassipes (Mart.) Solms	NWCA_BUFFER-TAS	CHARACTER			|Y
WATERMILFOIL	BUFF		Myriophyllum spicatum L.	NWCA_BUFFER-TAS	CHARACTER			|Y