 Blueprints as verification for authenticity of Haver designs are rare, as many buildings were created outside of Phoenix city boundaries at the time.Many of Haver's drawings, renderings and records were destroyed in 1993 when the firm finally went out of business—they ended up in a dumpster when the last office built and designed by the firm on 16th Street was abated.From the early 1960s and 1970s Haver and Nunn's firm expanded outside of AZ with offices in Hawaii.