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<br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />AQUATIC INSECTS OF THE ARKANSAS RIVER BASIN IN COLORADO <br /> <br />DATE <br /> <br />July 23, 1974 <br /> <br />SAMPLE NO. 47 <br /> <br />COLLECTION SITE <br /> <br />Arkansas River, Mt. Harvard Bridge, above Buena Vista <br /> <br />. <br /> <br />. <br /> <br />.~ <br />c:i. <br />~ <br /> <br />c.0 <br /> <br />ORDER FAMILY GENUS SPECIES NO. I ND I V IDUALS <br />Diptera Rhagionidae Atherix variagata 2 <br />Ephemeroptera Baeti dae Baeti s 12 <br />Tri choptera Hydropsychidae Arctopsyche 2 <br />Plecoptera Chloroperlidae All operla 1 <br />