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Akins 's contributions inspired Austin mayor Roy Butler to declare an Elmer Akins Day in 1975 , which afterward evolved into an annual weeklong community and church celebration . Being the government department responsible for the standards and safety of private buildings , the Buildings Department has gradually evolved from a regulator to a facilitator . Other creatures have evolved to survive the harsh ecology , too , including sand snakes , rock-algae organisms , and cave spiders . Much of the narrative in the chapter introductions and within the full entries focuses on both explaining how and why the standards evolved within their originating fields and the considerations for adapting those standards to archival uses .