By Author Links Other publications by Clifford L. Hawkes Hawkes, Clifford L. 1972 Precise growth measurements of live, unanesthetized fish by photography Pub No: 416 Hawkes, Clifford L. 1975 Estimating dry weight of live, unanesthetized fish by photography Pub No: 483 Hawkes, Clifford L., Norris, Logan A. 1977 Chronic oral toxicity of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) to rainbow trout Pub No: 531 Miller, Richard A., Norris, Logan A., Hawkes, Clifford L. 1973 Toxicity of 2,3,7,8-tetrachlorodibenzo p-dioxin (TCDD) in aquatic organisms Pub No: 433 Norris, L. A., Hawkes, C. L., Webb, W. L., Moore, D. G., Bollen, W. B., Holcombe, E. 1978 A report of research on the behavior and impact of chemical fire retardants in forest streams Pub No: 2459 Norris, Logan A., Hawkes, Clifford L. 1979 TCDD in the environment Pub No: 552