Masonry grill design [decorative details]

Concrete screen block design for decorative walls possibly for El Dorado Country Club. Similar work was done for Racquet Club Cottages West (now know as Racquet Garden Villas). Text on the first drawing reads: 'Patterns changeable by rearranging units'. The fifth (last) drawing is a decorative screen design possibly used at the Palm Springs Spa Hotel. Writing on the back of the drawing reads, "Masonry Grill Design." This image was generated by merging four partial scans of the drawing.