Explains why phosphorus is important, how it moves through the
terrestrial water system, how we measure it, and what this means
for people who need to manage or monitor human activities that
produce it. Estimates of known and undiscovered copper resources
total nearly 60 million metric tons of copper. Iron resources in
known deposits total 2200 million metric tons of ore. Twenty
mineralized areas meriting further study were identified. Report
of completed reservoir sediment studies in Kansas using a
combination of bathymetric surveying, sediment coring, chemical
analysis, and statistical analysis to understand the quantity
and quality of deposited sediment. Presentation describing uses
of rare earth elements, why they are important, where they occur
and are produced, and aspects of the economics of production and
consumption with emphasis on sites that might be developed for
production.