25 images. Smudging in Citrus Belt Area, 04 January 1952. John Mireles; J.D. Mullender; Floyd D. Young; Claude A. Cole.; Caption slip reads: "Photographer: McCarty. Date: 1951-01-03. Reporter: Cowles. Assignment: Smudge. 53: Firing at a La Verne Grove lazy flame pots. 49: Pipeline pressure burners near Pomona. 43, 44: Long shot of smudge pots along Merced Avenue edge of Hurst Ranch. 54: Smudge pots in Azusa grove at daybreak. 46-47: L - R: Stanley Kuoferer, 13; Carl Sanders, 15; Gary preston, 15; Chas. Kupferer, 15; Don Hanna, 16, of Corona High School fire lighters at Hurst Ranch. 48: Long shot of smudge pots. 31: Smudge pot with return stack. L - R: John Mireles, J. D. Mullender. 32: Smudge pot without return stack but still approved with 1 hole open. John Mireles; J. D. Mullender. 28, 30: J. D. Mullender's El Rancho Tres Nietos 35 acres. Pix is of dual wind machine on 32' tower. Machines are gas driven by 125 h.p. motors. 23, 25: floyd D. Young in office at home, 294 Garfield St., Pomona, organized fruit frost service in 1917. He is regional director of US Weather Bureau. 24: Claude A. Cole at thermograph recording instrument (temperature reading taken here). 21: Claude A. Cole, in charge of Fruit Frost Service for San Gabriel Valley District at office, 1153 South Meeker St. (?), West Covina (checking chart and instruments and ansewring phone queries. 22: Cole at teletype machine. 33-34: Pipe line heaters -- non-smoke units burning kerosene from pressure lines in No. Whittier Heights Grove. 35, 36: Row on 9 open stack smudge pots lazy flame. Lemon Grove in N. Whittier Heights. 37, 39. 1-minute exposures -- long shots at Hurst Ranch in West Covina. 38, 40: 3-minute exposure -- same shot.