A Field-based course that introduces students to a variety of mapping and field research techniques in locations of geologic interest appropriate for the specific focus of the course. The skills emphasized can include those specific to traditional geologic field mapping or more specialized research methods appropriate for geochemical, geophysical, paleontological, or surficial field research. In all cases the underlying skills of scientific observation, documentation, and hypothesis development will be practiced. Prerequisites: GEOS 325 - Environmental Geoscience, GEOS 301 - Field and Analytical Methods I, GEOS 305 - Minerals and Rocks, or instructor permission. Grade only. Offered summer session when demand warrants.