An improved tri-tube cryogenic gravel sampler
By: by Fred H. Everest, Carl E. McLemore, and John F. Ward
Contributors: McLemore, Carl E., joint author; Ward, John F., 1946-, joint author; Pacific Northwest Forest and Range Experiment Station (Portland, Or.); United States. Forest Service
Series: USDA Forest Service research note PNW ; 350
Publisher: Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1980
Place of publication: Portland, Or
Language: eng
Subjects: Forestry engineering; Sedimentation and deposition; Stream ecology
Notes: Issued Mar. 1980

Bibliography: p. 8