Geology of Ontario


Book Description










GAC Special Paper


Book Description




"Code of Massachusetts regulations, 1989"


Book Description

Archival snapshot of entire looseleaf Code of Massachusetts Regulations held by the Social Law Library of Massachusetts as of January 2020.







The United States Geological Survey, 1879-1989


Book Description

A history of the relation of geology during the first 110 years of the US Geological Survey to the development of public-land, federal-science, and mapping policies and the development of mineral resources in the United States.