Geological reconnaissance of a portion of Algoma and Thunder bay districts, Ontario,

Appendices: I. Notes on some fossils from the Cambro-Silurian and Silurian rocks of the Albany river drainage system in northwestern Ontario, by J. F. Whiteaves.--II. Lists of insects, by J. F. Fletcher.

Reconnaissance of Noatak National Preserve and biosphere reserve as a potential site for inclusion in the integrated global background monitoring network /

"June 1986."

Soil survey of the Modesto-Turlock area, California, with a brief report on a reconnaissance soil survey of the region east of the area,

Mode of access: Internet.