
The SciencesAugust 1, 1954
The History of a Peruvian Valley
For 4,500 years the tides of civilization and conquest have flowed across the Viru Valley. An account of how its history was reconstructed by an intensive archaeological expedition

The History of a Peruvian Valley
For 4,500 years the tides of civilization and conquest have flowed across the Viru Valley. An account of how its history was reconstructed by an intensive archaeological expedition

Mound Builders of the Mississippi
Between the expeditions of De Soto (1541) and Marquette (1673) this thriving culture vanished from the valley. Its history is now being reconstructed, principally by an ingenious statistical method