B. Z Richardson

• Changes in sodium adsorption ratios following revegetation of coal mine spoils in southeastern Montana
• Environmental effects of surface mining of minerals other than coal
• Reclamation in the Intermountain Rocky Mountain region
• Reclamation of acid-producing spoils on a western surface mine
• Revegetation of phosphate mined lands in the intermountain west
• Test of methods for amending and seeding spoils at the Blackbird Mine
• Viability of seed produced on highly sodic coal mine spoils