An elementary introduction to the knowledge of mineralogy: including some account of mineral elements and constituents; explanations of terms in common use; brief accounts of minerals, and of the places and circumstances in which they are found.

Mode of access: Internet.

An elementary introduction to the knowledge of mineralogy: including some account of mineral elements and constituents; explanations of terms in common use; brief accounts of minerals, and of the places and circumstances in which they are found. Designed for the use of the student.

Mode of access: Internet.

Abundance of trace and minor elements in organic and mineral fractions of coal /

"August 1980."

Bibliography of U.S. Geological Survey trace elements and related reports to June 1, 1954,

Reprinted from U.S. Geological Survey, Contributions to bibliography of mineral resources,