00890cam a22002771 4500 agr10000032 DLC 20260227110930.0 cr_||||||||||| 790409s1909 dcu f000 0 eng agr10000032 (OCoLC)4839020 DLC ArU DLC QC925 .U6 GB1205 .U6 United States. Weather bureau. Instructions to special river and rainfall observers of the Weather bureau ... Washington, Govt. print. off., 1909. 47 p. diagrs. 23 cm. W. B. no. 415. Also available in digital form on the Internet Archive Web site. Meteorology Observations. Meteorological services United States. River surveys. http://hdl.loc.gov/loc.gdc/scd0001.00199536382 7768 7768