Any geological, geochemical, or geophysical survey which reasonably involves a direct expenditure on or for the benefit of each claim of not less than the one hundred dollars worth of annual assessment work required under federal statute or regulations shall hold such claim for not more than two consecutive years or more than a total of five years: PROVIDED, That a written report of such survey shall be filed with the county auditor at the time annual assessment work is recorded as required under federal statute, and said written report shall set forth fully:
RCW 78.08.072
Reports of geological, etc., surveys: Chapter 78.06 RCW.