precipitation in 24 consecutive hourse was about 4 inches. Such a downpour of rain on a basin of steep nonabsorbent surface with little or no storage resulted in a sudden and very large, though local, flood. The gage at the gaging station at Logan was destroyed on October 2, 1904.Mr. W. G. Russell measured the cross section and slop of bed of the Canadian as short distance below the railway bridge at Logan on October 27, 1904 and found the cross section area to be about 13,500 square feet, the mean velocity 11.05 feet, the maximum discharge 149,396 cubic feet per second and the maximum stage above low water 31.3 feet. Pecos River Flood – October 1904 La Plata River Flood – October 6, 1904 A storm caused the greatest flood along the middle and lower part of the La Plata velley since 1882. It reached its maximum stage at 4pm at Pendleton, passing over the floor of the highway bridge at a depth of 2 feet. Sacramento Valley Flood – 1906 A tropical storm in late 1906 reported highest ever rainfalls in a southeast to northwest direction from Monterey to Ione in the Sierra Nevada foothills. An area of was flooded in the Sacramento Valley. Pittsburgh, Pennsylvania flood – March 1907 Snowmelt combined with heavy rains by March 16 allowed the Allegheny, Monongahela, and Ohio rivers to swell out of their banks, leading to a flood of record in Pittsburgh. Damage to the city was estimated at US$5 million (1907 dollars). The death toll was low, with 6–12 perishing during the inundation. Michigan flood – March 1908 In February, snowstorms had deposited a significant snowpack across the region. Then, in early March, heavy rains and warmer conditions set in, setting the stage for a flood. After the Homer Dam broke around 3 p.m. on March 7, the Kalamazoo River flooded Albion. By midnight, the bridges surrounding town were underwater. Six buildings in downtown Albion collapsed, which caused over US$125,000 in damage (1908 dollars). California flood – 1909 The storm extended from Fort Ross on the coast to the Feather River basin. LaPorte, in the Feather River basin, had of rain in 20 days, an event with a return period of 12,000 years. The flood episodes of 1907 and 1909 in California resulted in an overhaul of planned statewide flood control designs. Decade of the 1910s Austin, Pennsylvania, dam failure