| Reference | {Deposit:: GRANT, A.R., 1976, REPORT OF GEOLOGIC EVALUATION OF THE ROCK}{Deposit:: MESA PUMICE DEPOSIT: U.S. FOREST SERVICE, PORTLAND, OR.,}{Deposit:: 52 P.}{Reserve-Resource:: GRANT, A. R., 1976, RPT. GEOL. EVAL. ROCK MESA PUMICE DEPOS.}{Reserve-Resource:: US FOREST SERVICE, PORTLAND, OR, 52P-VOL I, APPENDIX-VOL II} |