LOCATION.-- Lat 41°19'40", long 89°00'29" (NAD of 1927),in SE1/4 SW1/4 sec. 16 T.33N. R.2E., La Salle County, Hydrologic Unit 07130001, on left bank just upstream of boat launch at Starved Rock State Park 1.2 miles downstream of the lock and dam at Starved Rock. | |
DRAINAGE AREA.-- 11072 mi2. | |
PERIOD OF RECORD.-- | |
BIOLOGICAL | |
BENTHIC MACROINVERTEBRATES: Water year 1997. | |
HABITAT: Water year 1997 | |
REMARKS FOR CURRENT YEAR.--Habitat measurements, including physical and geomorphic, were collected as part of the National Water-Quality Assessment program (NAWQA) in the lower Illinois River Basin. The measurements were collected according to Meador and others (1993). Reach A begins at the boat ramp (1.2 mi downstream of dam) in Starved Rock State park and continues upstream for 0.8 mi around Plum Island. | |
The following links list up to five tab-delimited text files containing
habitat data collected at several sites. An explanation of column
headers in these files can be accessed at
this link.
Reach
-- General description of the sampled reach.
Transect
-- Channel and bank measurements made along transects (cross sections) within each reach.
Transect Points
-- Channel and substrate measurements and observations at points along a transect (cross section).