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Table 6. Location of fish sampling stations on the Yampa (Y) and White (W) Rivers in Colorado, 1975-1978, with descriptive notes !V V Sta- tion Location Elevation, +_ lOm Predominate Substrates Major Features _ Shoreline and Adjacent Areas Y-1 Above and belowl U.S. Highway 40 1920m Cobble. Stream divided by large island with Both shores with dense stands of bridge about 3 km west of Hayden. several shallow backwater areas; cottonwoods with relatively open lower portion of site highly modi- grassy or willow-lined areas between. tied by bulldozer activity creating a large backwater in 1977. Lowest portion of site divided by still another island. Y-2 Near the Craig golf course park- 1890m Cobble and Two large pools separated by a Shores mostly with grasses and brush ing lot about 2(+) km southeast rubble.- Channelized segment about 1 km long; but with a few dense stands of of Craig. cross-sectional contours relatively cottonwood, neighboring areas de- uniform with the river occupying voted to wheat farming. much of its channel throughout the observed range of flows. Y-3 Abovel and below county road 1790m Cobble and Broad riffle above bridge and pool Area east of the bridge along the bridge about 2 km north of rubble (un- and sand bars below bridge. north shore consists largely of steep Maybell. known in eroding slopes with semi-arid sage- pools)o desert vegetation and a few willow and cottonwood trees near the river; elsewhere, the terrain is flat and hay production predominates. Y-4 Lily Park Pool about 3(+) km west 1720m Cobble and High frequency of alternating Surrounding basin is semi-arid, of the base of Cross Mountain Can- rubble (un- riffles and pools with several notably eroded, and vegetated largely yon to below county road bridge known in pools); meanders. Numerous eddies and of steep eroding slopes with semi- about 4(-) km west of the base of large sand and backcurrents within major pool arid sage-desert vegetation and a few Cross Mountain Canyon.2 silt deposits area (Lily Park). willow and cottonwood trees near the along the inside river; elsewhere, the terrain is flat curves of the and hay production predominates. Lily Park Pbol area. Y-4a Base of (lower entrance to) Cross 1720m Rubble, bould- Large deep pool mostly within high, Within the canyon, the stream is Mountain Canyon. ers, and sand. steep canyon walls with a boulder bounded by steep cliffs with little and rubble bar below the canyon vegetation; outside the canyon, mouth. terrain and vegetation is similar to Y4. Y-2J Around and near temporary allu- 1830m Cobble and gra- Large alluvial island divides the Large open basin; south shore and vial island (connected to south vel; sand and river during high flow and provides alluvial island with willows and shore during lower flows) across silt in back- a large backwater during low flow. grasses; north shore sparsely vege- from Juniper Hot Springs. waters. toted with grasses and sagebrush. W-A Above and below northwestern 1770m Cobble; sand Main channel turbulent with Vegetation around the site consisted boundary of the Rio Blanco Lake and silt in many riffle areas; large chute- largely of dense stands of willow State Recreation Area> just east backwaters. channel/backwater along north and grasses; the general surrounding of the Piceance Creek Road Bridge. shore; smaller channel/backwater area also supports stands of cotton- areas created by bars of cobble, woods and hay fields. sand and silt. W-B Above and belowl north of Hammond 7650m Cobble. Numerous riffle areas with slow- Bankside vegetation is dominated by Draw and an old farm bride below flowing pools and small backwaters grass, willow, cottonwood and "salt" it, about 16 km northeast of restricted to nearshore areas. cedar. Hay meadows dominate the Rangely. neighboring agricultural lands. Portion emphasized in seine and dip net collections. 2Latter portion not sampled after 1976.