Indian languages of Mexico and Central America and their geographical distribution,

Issued also as House doc. 416, 61st Cong., 2d sess.

The impact of the Federal minimum wage on the geographical distribution of employment /

Photocopy of: 1977 ed. Princeton, N.J. : Mathtech.

An introduction to the natural system of botany: or, A systematic view of the organisation, natural affinities, and geographical distribution, of the whole vegetable kingdom; together with the uses of the most important species in medicine, the arts, and rural or domestic economy.

Mode of access: Internet.

Professional papers of the Signal service, no. 1-16, 18.

No. 17 forms pt.2 (app.71) of the Annual report of the chief signal officer for the year 1885 (Annual report of the secretary of war ... 1885, vol. IV, pt. 2) It is issued also in the Congressional series, no. 2375 (49th Cong., 1st sess. House. Ex. doc.1, pt.2).

United States exploring expedition.

Publisher varies.

Effects of destratification and aeration of a lake on the distribution of planktonic crustacea, yellow perch and trout /

Includes bibliographical references (p. 22).

Gold: its occurrence and extraction. Embracing the geographical and geological distribution and the mineralogical characters of gold-bearing rocks; the peculiar features and modes of working shallow placers, rivers, and deep leads; hydraulicing ... a bibliography of the subject; and a glossary of English and foreign technical terms.

Mode of access: Internet.