AN ATOMIC-ABSORPTION METHOD FOR THE DETERMINATION OF GOLD IN LARGE SAMPLES OF GEOLOGIC MATERIALS.VANSICKLE GH; LAKIN HW.1968; GEOL. SURV. U.S.A., CIRC.; USA; 1968, NUM. 0561, P. 1 A 4Miscellaneous

RAPID ANALYSIS FOR GOLD IN GEOLOGIC MATERIALSTHOMPSON CE; NAKAGAWA HM; VANSICKLE GH et al.sdECON. COMMISS. ASIA FAR EAST, MINER. RESOURCES DEVELOP. SER.; U.S.A. (PROC. 2ND SEMIN. GEOCHEM. PROSPECT. METHODS TECH.; PERADENIYA; 1970). RESUME ,1970, NUM. 0038, P. 283Miscellaneous

DISTRIBUTION OF GOLD AND OTHER METALS IN THE CRIPPLE CREEK DISTRICT COLORADO.GOTT GB; MCCARTHY JH JR; VANSICKLE GH et al.1969; GEOL. SURV. U.S.A., PROF. PAPER; USA; 1969, P. 1 A 17Miscellaneous