. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 42 BULLETIN 906, U. S. DEPARTMENT OF AGRICULTURE. r~- ~âââ. : ââ ,-», , . Fig. 19.âExterior view of recording Fig. 20.âDiversion box having a weir and two miner's inch Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.


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