Bulletin of the United States Geological and geographical survey of the territories /

List of bulletins, with contents of each, and author and subject index may be found in "Catalogue and index of the publications o the Hayden, King, Powell and Wheeler surveys ... by L. F. Schmeckebier. 1904."Vols. 2-4 (1876-78) annual, each volume consisting of 4 consecutively paged numbers."The first and second bulletins, which appeared in 1874, are separately paged pamphlets ... constituting a 'First series' of the publication. Bulletins which appeared in 1875, being those of a 'Second series' and six in number, are continuously paged. With no.6 were issued title, contents, index, &c., for all the numbers of both 'series' which had then appeared; the design being that these should together constitute volume I, in order that the inconvenient distinction of 'series' might be dropped."Mode of access: Internet