Geologic evaluation of radar imagery in southern Utah
Aerial radar imagery of geologic features in southern Utah
Hackman, R. J.↗
Engineering topics
Hackman, R. J.
Publications and source records attributed to Hackman, R. J..
Time, Shadows, Terrain and Photointerpretation
Simulated aerial photography to enhance photointerpretation of terrain at various sun angles
Hackman, R. J.↗
Stratigraphy and structure of the montes apenninus quadrangle of the moon
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Hackman, R. J.↗
INTERPLANETARY CORRELATION OF GEOLOGIC TIME
Use of the frequency of meteoroid impact and the transport of impact debris to the earth for the interplanetary correlation of geologic time
LUNAR MARE↗
STRATIGRAPHIC BASIS FOR A LUNAR TIME SCALE
Stratographic relations and surface characteristics of the deposits around the lunar craters, in order to outline the framework of a lunar time scale
LUNAR GEOLOGY↗