John B McHugh

• A hydrogeochemical survey in east-central Nevada
• A hydrogeochemical survey using gold in water, northern Nevada
• Analyses of rock samples from the Central mining and intrusive area, Marysvale, Utah
• Analytical results and locality map for 82 well water samples from the lower Santa Cruz basin, Pinal County, Arizona
• Analytical results and sample locality map for 10 water samples from springs, domestic wells, and streams near the Baboquivari Peak, Ragged Top, and Table Top Mountain Wilderness Study Areas, Pima and Pinal Counties, Arizona
• Analytical results and sample locality map for 21 water samples from domestic wells and springs near the Rimrock, Sand Canyon, Little Rimrock, and Pinyon Wilderness Study Areas, Cibola and Catron counties, New Mexico
• Analytical results and sample locality maps for 12 water samples from the springs and domestic wells near the El Dorado, Lime Canyon, and Million Hills Wilderness Study Areas, Clark County, Nevada
• Analytical results for 26 water samples from southern New Mexico
• Analytical results for 30 water samples from Mineral Mountains, Utah
• Analytical results for 32 water samples from a hydrogeochemical survey of the Geneva Creek area, central Colorado
• Analytical results for 38 water samples from a hydrogeochemical survey of the U.S. Virgin Islands
• Analytical results for 41 water samples from the South Kawishiwi River study area, northeastern Minnesota