Specimen collecting

Taking of samples from the environment for study.
This category is also used for collection of specimens.
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Density and magnetic susceptibility values for rocks in the Talkeetna mountains and adjacent region, south-central Alaska

A compilation and statistical analysis of 306 density and 706 magnetic susceptibility measurements of rocks from south-central Alaska

Geochemical data for Colorado soils-Results from the 2006 state-scale geochemical survey

Major and trace element concentration data for 960 sites, providing a baseline for the natural variation in soil geochemistry in Colorado.

History and evaluation of national-scale geochemical data sets for the United States

Overview explaining how and why six different geochemical data sets were produced, and why you might choose to use the data in any one of these instead of the others.