References
- Badcock, R. M., 1952: Notes on the effect of sandy inflows on the fauna of the Fruin Water. — Unpublished MS in Zoology Library, Glasgow University.
- Carpenter, K. E., 1924: A study of the fauna of rivers polluted by leadmining in the Aberystwyth district of Cardiganshire. — Ann. appi. Biol., 11, 1–23.
- Ellis, M. M., 1936: Erosion silt as a factor in aquatic environments. — Ecology, 17, 29–42.
- Grindley, J., and Pentelow, F. T. K., 1940: Report on a survey of the River Tyne from Hexham to Wylam. — Unpublished. (Photostat copy supplied by Mr. F. T. K. Pentelow.)
- Hall, A. D., 1931: The Soil. — London: Murray.
- Stuart, T. A., 1953: Water currents through permeable gravels and their significance to spawning salmonids, etc. — Nature, Lond., 172, 407.
- Wallen, I. E., 1951: The direct effect of turbidity on fishes. — Bull. Okla. Agr. Mech. Coll., 48 (2), 1–27.
- Ward, H. B., 1938: Placer mining on the Rogue River, Oregon, in its relation to the fish and fishing in that stream. — Bull. Ore. Dep. Geol., 10, 1–31.
- Wu, Y. F., 1931: A contribution to the biology of Simulium (Diptera). — Pap. Mich. Acad. Sci., 13, 543–599.