Excerpt from San Luis Rey River Investigation, 1936
Appendix A consists of eight tracings twenty-eight inches by forty inches in size. Two show the topography cf the Bonsall dam site at a scale of cne inch equals one hun-lrec'x feet with five feet contours arrl the location of the various exploratory workings. One shows profiles cf the various explorations and the classifications of the materials encountered. Five Show the topography cf the Bonsall reservoir at a scale of one inch equals four hundred feet with a contour.
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