VARNUM	NAME	LABEL	TYPE	LENGTH
1	SITE_ID	ID Assigned to Each Site	2	25
2	VISIT_NO	Sequential Visit Number Within Year	1	
3	SITE_TYPE	PROB_Samp: Lake is from probability sample and can be used for population estimation.  REF_Lake: Lake is not from probability sample and was selected as a candidate reference lake	2	10
4	LAKE_SAMP	"Eval. status. _Denied (access denied). _Inaccess (physically inaccessible). _Other. _LT_4ha (< 4ha). _Shallow (< 1m deep). _Vegetated (< 1000 m2 open H2O). _Saline (tidal). Special_Purpose (aquacult., disposal, WWT, or evap.). Not_Lake (other)"	2	20
5	SAMPLED_OE5	Site Sampled Code for plankton O/E indicator (= both plankton samples and all predictor variables collected)	2	24
6	INDXSAMP_OE5	Index Planktonic O/E visit for site (YES/NO)-typically visit 1	2	3
7	OE5	Plankton O/E value	1	
8	FLAG_OE5	Data qualifier Flag for plankton O/E index	2	12
9	COMMENT_OE5	Comments and flag explanations for plankton O/E index	2	160
10	SAMPLED_ZOOP	Zooplankton sample collected?	2	24
11	SAMPLED_PHYT	Phytoplankton sample collected?	2	16
12	WSA_ECO3	Wadeable Stream Assessment three aggregrated Omernik level 3 ecoregions	2	6
13	AREA_HA	Lake polygon area (hectares) from NHD	1	
14	SAMPLED_PHAB		2	11
15	SHORT_ID	Unique 5-character site-visit ID number (for use with PC-ORD)	2	5