You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place La Escondida; about 20 km WSW of Valparaiso, along the road to Huejuquilla el Alto, Jal. Puerto de la Paja Remove constraint Place: La Escondida; about 20 km WSW of Valparaiso, along the road to Huejuquilla el Alto, Jal. Puerto de la Paja