USDA Forest Service:
1933. Civilian Conservation Corps (CCC). Spraying Ribes (wild currant) with atlascide for blister rust control. Boy is from Camp F42. St. Joe National Forest, Idaho.
USDA Forest Service:
1933. Civilian Conservation Corps (CCC) removing Ribes. Camp F-44. Blister rust control. Merry Creek, Idaho.
USDA Forest Service:
1933. Civilian Conservation Corps (CCC). Spraying Ribes (wild currant) with atlascide for blister rust control. Enrollee is from Camp F-42. St. Joe National Forest, Idaho.
USDA Forest Service:
1935. CCC work. Boys uprooting large gooseberry bush from ground. In background hanging up bushes under limbs of trees, to protect trees from blister rust. Worlds End Park, Pennsylvania State Forest, Pennsylvania.
USDA Forest Service:
1945. Worker from Scales Blister Rust Control Camp digging out Ribes plant. Plumas National Forest, California.
USDA Forest Service:
1948. Blister rust canker on sugar pine. Klamath National Forest, California.
USDA Forest Service:
1948. Blister rust canker on sugar pine. Klamath National Forest, California.
USDA Forest Service:
1951. Blister rust control (BRC) crewman spraying Ribes plants with 2,4,5-T on Upper Sands Creek. Deception Creek Experimental Forest, Idaho.
USDA Forest Service:
1952. A blister rust canker was excised from this sugar pine one year ago. All infection seems to have been removed, the tree is thrifty and the wound is healing nicely. South Umpqua Experimental Forest, Umpqua National Forest, Oregon.
USDA Forest Service:
1952. Blister Rust Control (BRC) disease survey tag. Rogue River National Forest, Oregon.
USDA Forest Service:
c.1956. A stand of mature western white pine killed by blister rust. Spirit Lake, Washington.
USDA Forest Service:
1959. Basal stem application of antibiotics for white pine blister rust control. Idaho.
USDA Forest Service:
1959. Pine shoot wrapped in Ribes leaf to inoculate the pine with blister rust. Wisconsin.
USDA Forest Service:
1960. Hand spraying equipment adapted for blister rust control; Smith Model 25 G.F. two gallon, and Parco Model 1803S, 4.5 gallon, both with modified hoses, clamps, shut-off valves, wands, and nozzle assemblies. Franklin County, New York.
USDA Forest Service:
1960. Standard production model 25 G.F. two gallon Smith sprayer complete with tank, hose, wand, control valve, and nozzle assembly. Unit used in Region 7, Area II Blister Rust Control project for the eradication of Ribes. Greenfield, Massachusetts.
USDA Forest Service:
1960. Using a KIEKENS Whirlwind Mist Blower for spraying Ribes (glandulosum) in the Tupper Lake area just south of Paul Smith's. Note the heavy concentration of skunk currants on the stump of the overturned tree. Franklin County, New York.
USDA Forest Service:
1960. A crewman applying the antibiotic fungicide cycloheximide to the trunk of a young western white pine in an attempt to arrest damage caused by white pine blister rust. Coeur D'Alene National Forest, Idaho.
USDA Forest Service:
1960. Spraying white pine with Actidione to kill blister rust infection and immunize tree from disease. Superior National Forest, Minnesota.
USDA Forest Service:
1960. Spraying white pine with Actidione to kill blister rust infection and immunize tree from disease. Superior National Forest, Minnesota.
USDA Forest Service:
1960. Blister rust canker treated with Actidione. Control spray test at Oregon State University, Corvallis, Oregon.
USDA Forest Service:
1960. Treating blister rust with Actidione. Control spray test at Oregon State University, Corvallis, Oregon.
USDA Forest Service:
1960. Backpack sprayer used to treat blister rust with Actidione. Control spray test at Oregon State University, Corvallis, Oregon.
USDA Forest Service:
1960. Backpack sprayer used to treat blister rust with Actidione. Control spray test at Oregon State University, Corvallis, Oregon.
USDA Forest Service:
1961. Spraying acti-dione to test control of blister rust in sugar pines. McCloud Ranger District, Shasta National Forest, California.
USDA Forest Service:
1961. Basal stem application of antibiotic for blister rust control. Mt. Rainier National Park, Washington.
USDA Forest Service:
1961. Aerial application of the antibiotic phytoactin to a 20-year-old western white pine plantation to save them from being destroyed by blister rust. Bell 3-G helicopter. Brett Creek, Magee District, Coeur d'Alene National Forest, Idaho.
USDA Forest Service:
1961. Independence Creek heliport and equipment used to mix antibiotic spray solution and separately load two helicopters in applying phytoactin to control blister rust on western white pine plantation. Coeur d'Alene National Forest, Idaho.
USDA Forest Service:
1962. Bell G-3 heliocpter applying the antibiotic phytoactin to a 50 year old western white pine plantation in the Sildex unit to control blister rust. Headwaters St. Regis River in foreground. Coeur d'Alene National Forest, Idaho.
USDA Forest Service:
1962. Aerial application of the antibiotic phytoactin to a 40-year-old western white pine using a Bell G-3 helicopter to save western white pine from from being destroyed by blister rust. Coeur d'Alene National Forest, Idaho.
USDA Forest Service:
1962. Ted Degerstrom making full-sib crosses in Champion Mine western white pine (WWP) major gene resistance (MGR) tree. Dorena Genetic Resource Center, Cottage Grove, Oregon.
