Radioactive Deposits in New Mexico (open access)

Radioactive Deposits in New Mexico

From abstract: Forty-five areas of radioactivity in New Mexico had been investigated by government geologists or reported in the geologic literature before 1952. 21 areas contained visible uranium minerals and one contained thorium minerals. The occurrences were in the northwestern, north-central, central, southwestern, and southeastern parts of the State.
Date: 1956
Creator: Lovering, T. G.
System: The UNT Digital Library
Geochemical Studies in the Southwestern Wisconsin Zinc-Lead Area (open access)

Geochemical Studies in the Southwestern Wisconsin Zinc-Lead Area

From introduction: This report describes the work done and the results obtained during a study of the distribution of zinc and lead in soils, rocks, and natural waters of the southwestern Wisconsin zinc-lead area.
Date: 1956
Creator: Kennedy, Vance C.
System: The UNT Digital Library
Birth and Development of Parícutin Volcano, Mexico (open access)

Birth and Development of Parícutin Volcano, Mexico

From introduction: In this report the authors have attempted to present a strictly factual account of the birth and development of Paricutin volcano and avoid any interpretive opinions that might break the true narrative of events.
Date: 1956
Creator: Foshag, William F. & González Reyna, Jenaro
System: The UNT Digital Library