MERCURY CONTENT OF PLANTS.SHACKLETTE HT.1970; GEOL. SURV. U.S.A., PROF. PAPER; USA; 1970, NUM. 0713, P. 35 A 36Miscellaneous

BACKGROUND GEOCHEMISTRY OF SOME ROCKS, SOILS, PLANTS AND VEGETABLES IN THE CONTERMINOUS UNITED STATES.CONNOR JJ; SHACKLETTE HT.1975; GEOL. SURV. U.S.A., PROF. PAPER; U.S.A.; 1975, NUM. 0574, P. 1 A 168Serial Issue

RADIOCARBON DATING OF ASH DEPOSITS ON AMCHITKA ISLAND, ALASKA.SHACKLETTE HT; RUBIN M.1969; GEOL. SURV. U.S.A., PROF. PAPER; USA; 1969, NUM. 0650, P. 81 A 83Miscellaneous

ELEMENTAL COMPOSITION OF SELECTED NATIVE PLANTS AND ASSOCIATED SOILS FROM MAJOR VEGETATION-TYPE AREAS IN MISSOURI.ERDMAN JA; SHACKLETTE HT; KEITH JR et al.1976; GEOL. SURV. U.S.A., PROF. PAPER; U.S.A.; DA. 1976; NO 954C; PP. 1-87; BIBL. 1 P.; 86 ILL.; 1000 ANAL.Serial Issue

METAL ABSORPTION BY EQUISETUM (HORSETAIL).CANNON HL; SHACKLETTE HT; BASTRON H et al.1968; GEOL. SURV. U.S.A., BULL.; USA; 1968, NUM. 1278-00A , P. 1 A 21Miscellaneous

GEOCHEMISTRY OF GOLD IN THE WEATHERING CYCLE.LAKIN HW; CURTIN GC; HUBERT AE et al.1974; GEOL. SURV. U.S.A., BULL.; U.S.A.; 1974, NUM. 1330, P. 1 A 80Serial Issue

ABSORPTION OF GOLD BY PLANTS.SHACKLETTE HT; LAKIN HW; HUBERT AE et al.1970; GEOL. SURV. U.S.A., BULL.; USA; 1970, NUM. 1314-00B , P. 1 A 23Miscellaneous

ELEMENTAL COMPOSITION OF SURFICIAL MATERIALS IN THE CONTERMINOUS UNITED STATES.SHACKLETTE HT; HAMILTON JC; BOERNGEN JG et al.1971; GEOL. SURV. U.S.A., PROF. PAPER; USA; 1971, NUM. 0574, P. 1 A 71Miscellaneous