Nebraska State Museum, United States Geological Survey and University of Michigan personnel assisted in the excavation and analysis.
Silver Spring, Maryland | Arab Spring | Prague Spring | Spring Awakening | spring | Silver Spring | The Rite of Spring | Lamb of God | William Lamb, 2nd Viscount Melbourne | Sandy Spring, Maryland | Lamb | Spring, Texas | Siding Spring Observatory | Spring Garden Township, York County, Pennsylvania | Spring Garden Township | Spring Creek | Silent Spring | Cold Spring Harbor, New York | Charles Lamb | Spring Offensive | Sandy Spring | Lamb (band) | Cold Spring | Spring Valley | Spring Hill, Tennessee | Spring Hill | Spring | Lamb and mutton | lamb | Cold Spring Harbor Laboratory |