Keywords: FMIB 35025 Spraying oil on algal pads.jpeg check categories 12 September 2015 3 Spraying oil on algal pads In foreground is seen some of the aquatic grass Hydrochlos carolinensia which provides excellent protection for mosquito larvae Subject Fish ponds Mosquitoes--Control Tag Limnology 1920 Cite book Fishes in relation to mosquito control in ponds Hildebrand Samuel F Washington DC Government Printing Office 1920 Report of the United States Commissioner of Fisheries for the Fiscal Year 1918 with Appendixes Plate VI fig 18 Creator Samuel Frederick Hildebrand PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 35025 Images from the Freshwater and Marine Image Bank to check Samuel Frederick Hildebrand Fish ponds Limnology |