Violich, Francis and Juan B. Astica. Community Development and the Urban Planning Process in Latin America. Los Angeles: Latin American Center, University of California, 1967. HN110.5.A8 V51 1967
Students in River Restoration visit El Cerrito Creek and enjoy and up-close experience with a shopping cart, often facetiously called the ‘indicator species’ of the urban stream, as well as other accumulated debris