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James Oliver, landscape architect with the National Parks Service, gives a tour of the San Juan Acequia and the mission's demonstration gardens. — James Oliver, landscape architect with the National Park Service, gives a tour of the San Juan Acequia and the mission’s demonstration gardens. Credit: Bonnie Arbittier / San Antonio Report

James Oliver, landscape architect with the National Parks Service, gives a tour of the San Juan Acequia and the mission’s demonstration gardens.