Herbert T. Hopkins

1923

• Ground-water availability along the Blue Ridge Parkway, Virginia
• Occurrence of fresh water in the Lee formation in parts of Elliott, Johnson, Lawrence, Magoffin, and Morgan Counties, eastern coal field region, Kentucky
• Reconnaisance of the ground-water, surface water system in the Zekiah Swamp Run Basin, Charles and Prince Georges Counties, Maryland
• Reconnaissance of the ground-water, surface water system in the Zekiah Swamp Run Basin, Charles and Prince Georges Counties, Maryland