Sediment core and sample locations and depth of water from the surface and maximum sample depth at each location for Center Creek, Turkey Creek, Shoal Creek, Tar Creek, and Spring River in the Tri-State Mining District, 2011-12. All coordinates are referenced in the Geographic coordinate system, North American Datum 1983. Table Contents: Core_identifier, Site_identifier, Name, Latitude, Longitude, Date, Time, Feature, Depth_w, and Max_depth which are explained further in the referenced data dictionary. Table Contents: Core_identifier, Site_identifier, Depth_1, Depth_2, Ave_depth, Ave_depth_below_water, Arsenic, Cadmium, Barium, Cobalt, Copper, Manganese, Nickel, Lead, Zinc, Total_dry_weight, Weight_retained_2mm, and Weight_passed_2mm [...]