Tentative standard methods of sampling and testing highway materials, adopted by the American Association of State Highway Officials and approved by the Secretary of Agriculture for use in connection with federal-aid road construction. Issued May, 1924; rev. Sept. 1928.

Cover title.

Documents respecting the resolutions of the legislature of Massachusetts, passed February 15, 1812 : containing a refutation of certain insinuations conveyed in the preamble to the Order of the Senate, dated June 25, 1812, against the Hon. Messrs. H.G. Otis and Timothy Bigelow.

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Manual of analytical methods, recommended for sampling and analysis of atmospheric contaminants.

Mode of access: Internet.