Publications

No abstract available.

Two landfills, 27 and 41 years old, were studied and found to have plumes of leachate-contaminated ground water extending 10,600 and 5,000 ft (3,200 and 1,500 m), respectively, from the site of deposition in the upper glacial aquifer on Long Island, New York. The plumes sink to the bottom of the aquifer, which is 70 ft (21 m) below the water table at the 27-year old site and 170 ft (52 m) below at

By the turn of the century, nuclear power may generate more than one-half of the electric energy, and about one-third of the total energy consumed in the United States [Thompson, 1971; Chapman et al., 1972]. By 2020, the total quantity of high-level radioactive wastes (HLW) generated as a byproduct of nuclear fuel reprocessing for such power generation may total about 900,000 m3 as liquid or 70,00

The ores at Darwin occur as massive replacement bodies in silicated limestones of Pennsylvanian and Permian age adjacent to a Jurassic quartz monzonite stock. Three types of ore have a definite spatial relationship to the quartz monzonite: (1) pyrite-sphalerite-galena ores, (2) pyrite-pyrrhotite-magnetite-sphalerite-galena ores, and (3) galena-Ag-Bi-Se ores.The delta 34 S values of all sulfide min

No abstract available.

No abstract available.

In July 1971, a study of the effects of mine drainage on Colorado's streams was begun in cooperation with the Colorado Water Pollution Control Commission. The objectives of this study were to determine the extent and magnitude of the problem as a whole, and to gain a greater understanding of the processes and their potential ramifications by detailed definition of problems in specific areas. In or

Colorado is a child of mining. In the past, towns such as Cripple Creek, Leadville, Creede, and many others were the lifeblood of the economy. While metal mining is still economically important to Colorado, another legacy of this past activity is attracting increasing attention—the detrimental effects of drainage from abandoned and active mines and tailings piles (waste rock piles) on streams. Con

The computer program, WATEQ, calculates the equilibrium distribution of inorganic aqueous species of major and important minor elements in natural waters using the chemical analysis and in situ measurements of temperature, pH, and redox potential. From this model, the states of reaction of the water with solid and gaseous phases are calculated. Thermodynamic stabilities of aqueous species, mineral

No abstract available.

No abstract available.

No abstract available.