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Watson, R. D., Hemphill, W. R., Hessen, T. D., and Bigelow, R. C.,
1974, Prediction of the Fraunhofer line detectivity of luminescent
materials: Internat. Symposium on Remote Sensing of Environment,

9th, Ann Arbor, Mich. 1974, Proc., p. 1959-1980.

Watson, R. D., and Hemphill, W. R., 1976, Use of an airborne Fraunhofer

line discriminator for the detection of solar stimulated

luminescence, U.S. Geol. Survey open-file report 76202, 110 p.,

29 figs., 18 tables.

Watson, R. D. and Theisen, A. F., 1977, Mapping luminescence of uranium bearing sandstones using an imaging Fraunhofer line discriminator, U.S. Geol. Survey open-file report 77-743, 16 p., 6 figs.

Watson, R. D., Henry, M. E., Theisen, A. F., Donovan, T. J., Hemphill, W. R., in press, Marine monitoring of natural oil slicks and man-made wastes using an airborne imaging Fraunhofer line discriminator, 4th Joint Conf. on Sensing of Environmental Pollutants, New Orleans, Nov. 7-11, 1977, 6 P., 4 figs., 3 tables.

Williams, R. S., Jr., 1977, Landsat image of dynamic marine phenomena off the southwest coast of Iceland (abs): 1 p.

Williams, R. S., Jr., Mecklenburg, T. N., Abrams, M. J., and

Gudmundsson, Bragi, 1977, Conventional vs. computer-enhanced
Landsat image maps of Vatnajökull, Iceland: in Abstracts with
Programs, 1977, Ann. Mtgs., Geol. Soc. Amer., Boulder, Colo.,
v. 9, no. 7, P. 1228-1229.

Simonette, D. S., 1976, Application review for a space program imaging

radar: GRSU Technical Report #1, Lyndon B. Johnson Space Center,

NASA, Houston, Texas.

Skenderoff, C., Guignard, J. P., Coldrick, J. R., Mooney, H., and Noel, J., 1974, A preliminary feasibility study on a synthetic aperture radar (SARSAT) for earth resources surveys:

Internat.

Symposium on Remote Sensing of Environment, 9th, Ann Arbor, Mich.
1974, Proc., p. 1517-1540.

Taiti, Simon, 1975, A report on an excursion around Mt. Kenya with ERTS

data in Deutsch, Morris, East Africa Seminar and Workshop on

Remote Sensing of Natural Resources and Environment:

Survey Proj. Rept. (IR) NC-41, p. C-11 to C-15.

U.S. Geol.

U.S. Geological Survey, 1965, Scope, importance and resolution requirements of geoscience problems to be attacked by orbit remote-sensor measurements: U.S. Geol. Survey open-file report, 85 p.

U.S. Geological Survey, 1977a, Vatnajökull, Iceland, (Fall scene): Landsat Image Format Series, N6359W01723, Experimental Printing, 1:500,000-scale, U.S. Geological Survey, Reston, Va.

U.S. Geological Survey, 1977b, Vatnajökull, Iceland (Winter scene): Landsat Image Format Series, N6359W01723, Experimental Printing, 1:500,000-scale, U.S. Geological Survey, Reston, Va.

Van Roessel, J. W., and de Godoy, R. C., 1974, SLAR mosaics for Project Photogramm. Eng., v. 40, no. 5, p. 583-595.

RADAM:

either lithium, per se, or physical surface properties associated with It is believed that continued research will accelerate

its occurrence.

exploration by providing guides to where brine tends to accumulate.

Furthermore, it is believed that once mapping techniques are established

they will be transferable to other remote desert basins of the world where similar evaporite deposits are present.

PLANETARY STUDIES

The Geological Survey's programs in Lunar and Planetary studies are expected to continue. The emphasis of the programs has successfully shifted from direct support of flight programs which characterized much of the activity during the Apollo era, towards data analysis and synthesis, and terrestrial applications. At the same time, the NASA flight programs have changed from spectacular planetary landings to equally spectacular, but more modest, rendevous encounters.

During the next decade, almost the entire solar system will be explored. Two successful Viking missions to Mars in 1975, to which the GS contributed scientific and technical support, provided data that have led to new concepts of planetary tectonics, volcanism, and erosion by wind and water. In addition, new techniques and improvements in image processing and enhancement were developed as a consequence of mission requirements, and these are being used to process Landsat data of the

Earth.

Presently, two Mariner missions to Jupiter and Saturn are underway, and a Pioneer mission to Venus is being readied for launch this year. The GS is represented on the science teams of each of these missions. The GS provides advice on exploration of the solar system concerning the information which would optimize geologic understanding. This exploration is directed toward a comparison of geologic surface materials, processes, and history of the planets with Earth to provide insight on

the development of the Earth's crust and on processes that affect land, mineral, and energy resources.

Kotlarski, J. R., and Anderson, H. R., 1974, Oil slick detection by

X-band synthetic aperture radar:

Internat. Symposium on Remote

Sensing of Environment, 9th, Ann Arbor, Mich. 1974, Proc.,

p. 1775-1790.

Maurin, Andre F., and Lathram, Ernest H., 1977, A deeper look at

Landsat-1 images of Umiat, Alaska: Proc. of the 1st Annual William T.
Pecora Symposium, Oct. 1975, Sioux Falls, South Dakota, p. 213-223.

Miller, John B., 1977, Landsat-1 image studies as applied to petroleum exploration in Kenya: Proc. of the 1st Annual William T. Pecora Symposium, Oct. 1975, Sioux Falls, South Dakota, p. 137-153.

Miller, John B. and Vandenakker, J., 1977, Sudan interior exploration mapping project--planimetry and geology: III Pecora Symposium program abstracts.

Moore, G. K., Claassen, J. P., Cook, A. C., Fayman, D. L., Holtzman,
J. C., Sobti, A., Spencer, W. E., Ulaby, F. T., Young, J. D.,
Pierson, W. J., Cardone, V. J., Hayes, J., Spring, W., Kern, R. J.,
Hatcher, N. M., 1974, Simultaneous active and passive microwave
response of the Earth-The Skylab Radscat Experiment: Internat.

Symposium on Remote Sensing of Environment, 9th, Ann Arbor, Mich.
1974, Proc., p. 189-217.

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