1. A runoff sampler for large watersheds, 1, Laboratory studies;Barnes;Agr. Eng.,1954
2. A runoff sampler for large watersheds, 2. Design of field installation;Barnes;Agr. Eng.,1956
3. Field test of an automatic suspended-sediment pumping sampler;Hansen;Trans. Amer. Soc. Agr. Eng.,1966
4. U. S. Interagency Committee on Water Resources Investigation of a pumping sampler with alternate suspended-sediment handling systems Fed. Inter-Agency Sediment. Proj. Rep. Q Minneapolis, Minnesota. 1962