1. Adjustment of the Yuba River, California, to the influx of hydraulic mining debris, 1849–1979;Adler,1980
2. Limitations on production in salmonid populations in streams;Allen,1969
3. Attacks on the Otaki — Gravel or grants?;Anonymous,1985
4. Rocks from the rivers — a report on gravel extraction in NZ's lower North Island;Anonymous,1986
5. The Lower Waimakariri River Floodplain: A Geomorphic Perspective;Basher,1988