Appendix B: Column Descriptor list for NWIS Flat-File Format -- Reservoir Core Data (Interstitial Water)

Para-  
meter |  Description   |  Units
Code

STAID - Station identification number
SNAME - Station name
DATES - Date sample was collected
TIMES - Time sample was collected
INTERVAL - Interval of core sampled (put in by Authors, not an NWIS parameter)
LATLG - Latitude and Longitude of collection site
STATE - State code (08=Colorado;31=Nebraska;56=Wyoming)
CNTYC - State code+County code:

   Colorado
   08001 Adams
   08005 Arapahoe
   08013 Boulder
   08019 Clear Creek
   08031 Denver
   08035 Douglas
   08039 Elbert
   08041 El Paso
   08047 Gilpin
   08059 Jefferson
   08069 Larimer
   08073 Lincoln
   08075 Logan
   08087 Morgan
   08093 Park
   08115 Sedgwick
   08119 Teller
   08121 Washington
   08123 Weld
   

   Nebraska
   31007 Banner
   31033 Cheyenne
   31049 Deuel
   31069 Garden
   31101 Keith
   31105 Kimball
   31111 Lincoln
   31135 Perkins
   

   Wyoming
   56001 Albany
   56021 Laramie

EVENT - Hydrologic event (J=Storm;4=Snowmelt;9=Routine sample)
00028 AGENCY ANALYZING SAMPLE, (CODE NUMBER) (80020=Denver Central Laboratory)
00608 NITROGEN, AMMONIA, DISSOLVED, (MG/L AS N)
00613 NITROGEN, NITRITE, DISSOLVED, (MG/L AS N)
00623 NITROGEN, AMMONIA PLUS ORGANIC, DISSOLVED, (MG/L AS N)
00631 NITROGEN, NITRITE PLUS NITRATE, DISSOLVED, (MG/L AS N)
00666 PHOSPHORUS, DISSOLVED, (MG/L AS P)
00671 PHOSPHORUS, ORTHOPHOSPHATE, DISSOLVED, (MG/L AS P)
72000 ELEVATION OF LAND SURFACE DATUM (LSD), (FEET NGVD)
72008 DEPTH OF WELL, TOTAL, (FEET)
81024 DRAINAGE AREA, (SQUARE MILES)