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Monthly Report of the Operator for September, 1981, Summary of Significant Results
Categories: Physical Item; Tags: Description
Dataset contains digital versions of physical core logs housed in Missouri Geological Survey archives. The logs are variable in detail, ranging from simple locations and formation tops to extensive stratigraphic descriptions and chemistry. A portion were done by MGS staff; others were donated by industry, academia, and government entities. The dataset includes logs for mines or undeveloped deposits with occurrences of or potential for critical minerals, along with logs in areas with permissive geology. The dataset comprises three tables: header and location information; formation/stratigraphic top, bottom and written description; and geochemical and assay data.
Status of Exploration Activity on the Spirit Anomaly
Categories: Physical Item; Tags: Description
Federally owned and managed public lands occupy approximately 30 percent of the land area of the United States, and anywhere from 50 percent to more than 80 percent of the land area of many of the western states. Determining the appropriate use of these lands involves balancing objectives related to economic, recreational, and conservation interests. This paper examines established and emerging conflicts within and across these objectives through both a narrative discussion of specific topics and a series of case studies. The authors find that new challenges, including pressures to devote portions of public lands to renewable energy project development and the multifaceted threats presented by climate change, will...
Work Plan: 1980 Exploration Work Plan, Summary of Significant Results
Categories: Physical Item; Tags: Description
Summary of Significant Results: F. Geologic Investigations
Categories: Physical Item; Tags: Description
Interpretation of the Mise a La Masse Surveys Conducted at the Horse Shoe (S-30) Anomaly
Categories: Physical Item; Tags: Description
Target SF-2, Wisconsin Greenstone Project
Categories: Physical Item; Tags: Description


    map background search result map search result map E.K. Lehmann Document 711: Description E.K. Lehmann Document 822: Description E.K. Lehmann Document 1208: Description E.K. Lehmann Document 1413: Description E.K. Lehmann Document 957: Description E.K. Lehmann Document 1209: Description Collection of core logs from Missouri Collection of core logs from Missouri