200
Brooks, R.R., 1972. Geobotany and Biogeochem-
istry in Mineral Exploration; Harper and
Row, New York, 290 p.
Cannon, H.L., 1960. The Development of Botan
ical Methods of Prospecting for Uranium on
the Colorado Plateau; U.S. Geol. Surv. Bull.
1085-A, pp. 1-50.
Crane R.B., 1971. Preprocessing Techniques
to Reduce Atmospheric and Sensor Variabi
lity in Multispectral Scanner Data; Proc.
7th Int. Symp. Rem. Sen. Environ., Univ.
Michigan, Ann Arbor, pp. 1345-1355.
Crist, E.P., 1983. The Thematic Mapper Tas-
seled Cap - A Preliminary Formulation;
Proc. 9th Int. Symp. Machine Processing
Remotely Sensed Data, Purdue Univ., W.
Lafayette, Ind., pp. 357-363.
Deering, D.W., Rouse, J.W., Jr., Haas, R.H.,
and Schell, J.A., 1975. Measuring "Forage
Production" of Grazing Units from Landsat
MSS Data; Proc. 10th Int. Symp. Rem. Sen.
Environ., Environ. Research Inst. Michigan,
Ann Arbor, pp. 1169-1178.
Hawkes, H.E., and Webb, J.S., 1962. Geochem
istry in Mineral Exploration; Harper and
Row, New York, 415 p.
Holmes, R.A., 1964. The Effects of Liming on
the Availability to Plants of Zinc and
Copper; Research Report no. 23, Div. Soil
and Fertiliser Investigations, Bureau of
Plant Industry, Soils and Agricultural
Engineering. USDA, Beltsville, Md.
Kauth, R.J., and Thomas, G.S., 1976. The
Tasselled Cap: A Graphic Description of
the Spectral-Temporal Development of Agri
cultural Crops as Seen by Landsat; Proc.
Symp. Machine Processing Remotely Sensed
Data, Purdue Univ., W. Lafayette, Ind.,
pp. 4B: 41-51 .
Nicolls, O.W., Provan, D.M.J., Cole, M.M.,
and Tooms, J.S., 1965. Geobotany and Geo
chemistry in Mineral Exploration in the
Dugold River Area, Cloncurry District,
Australia; Trans. Inst. Min. Metall.,
vo1. 74, pp. 695-799.
Perel'man, A.I., 1967. Geochemistry of Epi
genesis; N.N. Kohanowski (trans.), Plenum
Press, New York, 266 p.
Perry, C.R., Jr., and Lautenschlager, L.F.,
1984. Functional Equivalence of Spectral
Vegetation Indices; Rem. Sen. Environ.,
vol. 14, no. 2, pp. 169-182.
Richardson, A.J., and Wiegand, C.L., 1977.
Distinguishing Vegetation from Soil Back
ground Information; Photogram. Eng. Rem.
Sen., vol. 43, no. 12, pp. 1541-1552.
Rouse, J.W., Haas, R.H., Schell, J.A., and
Deering, D.W., 1973. Monitoring Vegetation
Systems in the Great Plains with ERTS;
3rd Earth Resources Technology Satellite-1
Symp., Goddard Space Flight Center, Green-
belt, Maryland, NASA SP-351, vol. 1, sect.
A, pp. 309-317.