Introduction: The specific purpose of the work was to learn whether the selenium indicated by the presence of Astragalus g. was uniformly distributed in one or more formations, i.e., probably syngenetic, or whether it was spatially and, therefore genetically, related to alteration.
Introduction: The writer visited the Sayapullo mine May 14 and 15, 1959, for comparative orientation, study of the uranium occurrence, and observation of alternation-metallization relations.
Report discussing earthquake activity in the United States during 1951. The report is broken down by regions and has sections for specific earthquakes.
Report discussing earthquake activity in the United States during 1952. The report is broken down by regions and has sections for specific earthquakes.
Report discussing earthquake activity in the United States during 1954. The report is broken down by regions and has sections for specific earthquakes.
Report discussing earthquake activity in the United States during 1958. The report is broken down by regions and has sections for specific earthquakes.
This dialog allows you to filter your current search.
Each of the Serial/Series Titles listed note their name and the number of records that will be limited down to if you choose that option.
This dialog allows you to filter your current search.
Each of the World Regions listed note their name and the number of records that will be limited down to if you choose that option.
This dialog allows you to filter your current search.
Each of the Countries listed note their name and the number of records that will be limited down to if you choose that option.
The list can be sorted by name or the count.
This dialog allows you to filter your current search.
Each of the U.S. States listed note their name and the number of records that will be limited down to if you choose that option.
This dialog allows you to filter your current search.
Each of the Years listed note their name and the number of records that will be limited down to if you choose that option.
The list can be sorted by name or the count.
This dialog allows you to filter your current search.
Each of the Months listed note their name and the number of records that will be limited down to if you choose that option.