Two archaeologists from the American heartland are embarking on an Amazonian adventure to uncover the remains of a lost civilization — proving that world-class research can emerge from the Ozarks just ...

In a cave near Portland, Missouri, archaeologists are digging into the sandstone to look for clothing and tools made 8,000 years ago. Arnold Research Cave is a significant Native American ...

Alabama Cross-section drawings and notes, apparently all relating to Fort Deposit Cave, Guntersville, Marshall County, Alabama. 14 small slips. Missouri Photographs: Bluff at mouth of Spring Creek, ...

The unnumbered plates are lettered A to E. Each numbered plate accompanied by leaf with descriptive letterpress.

An earlier version of this story misidentified the Museum of Anthropology Support Center in photo captions. This has been corrected. In a cave near Portland, Missouri, archaeologists are digging into ...