Black line prints. Set consists of Figures 6-11 and 15-24 from Stabilization of the Bolinas Lagoon Inlet report by J. W. Johnson, September 1969. Report title and date handwritten on list of figures. Figures 15-19 prepared by R. M. Towill Corporation of San Francisco, Calif.; annotated, possibly by J. W. Johnson. Collection also includes "Originals" for Figures 15-21 (actually black line prints). Contents: Fig. 6-11. Wave refraction diagrams -- Fig. 16-19. Hydrographic survey of Bolinas Bay for Bolinas Harbor District 1968-69 -- Fig. 20-24. Comparison of bottom contour maps, 1968-1969. Note: Filed in Map Case.