Provost and Vice Chancellor's Office - 1988 Helfrich, L. A., Bromley, P. T. B., & Nielsen, L. A. (1988). Virginia's valuable fisheries and wildlife resources. Blacksburg, VA: Virginia Cooperative Extension Service. Nielsen, L. A. (1988). The administration of the fish contaminant program in a decentralized state agency. In Toxic contamination in large lakes (pp. 251–265). Chelsea, Mich.: Lewis Publishers. Wahl, D. H., Bruner, K., & Nielsen, L. A. (1988). Trophic ecology of fresh-water drum in large rivers. Journal of Freshwater Ecology, 4(4), 483–491. https://doi.org/10.1080/02705060.1988.9665198 Nielsen, L. A., & Orth, D. J. (1988). The hellgrammite-crayfish bait industry of the New River and its tributaries, West Virginia. North American Journal of Fisheries Management, 8(3), 317–324. https://doi.org/10.1577/1548-8675(1988)008<0317:thcbfo>2.3.co;2