John Tilton Hack

1913

• Geologic map for land-use planning, Prince Georges County, Maryland
• Geology of the Brandywine area and origin of the upland of southern Maryland
• Geomorphology and forest ecology of mountain region in the central Appalachians
• Geomorphology of the Shenandoah Valley, Virginia, and West Virginia, and origin of the residual ore deposits
• Interpretation of Cumberland Escarpment and Highland Rim, south-central Tennessee and northeast Alabama
• Intrenched meanders of the North Fork of the Shenandoah River, Virginia
• Landforms of the United States
• Physiographic divisions and differential uplift in the Piedmont and Blue Ridge
• Postglacial drainage evolution and stream geometry in the Ontonagon area, Michigan
• Prehistoric coal mining in the Jeddito valley, Arizona
• Studies of longitudinal stream profiles in Virginia and Maryland
• The changing physical environment of the Hopi Indians of Arizona