Physical properties of the surface materials at the Viking landing sites on Mars 
by H.J. Moore ... [et al.]. 
 - Washington  Denver, CO  U.S. G.P.O.  For sale by the Books and Open-File Reports Section, U.S. Geological Survey  1987. 
 - xiii, 222 p.  ill.  29 cm. 
 - U.S. Geological Survey professional paper  1389 .
 - Geological Survey professional paper  1389. .
<br/><br/> "A summary of the results of the Physical Properties Investigation of Viking Lander 1 and 2 during the Viking 1975 project."  "Prepared on behalf of the National Aeronautics and Space Administration."  Maps on 2 folded leaves in pocket. 
<br/><br/>Bibliography: p. 131-135. 
<br/><br/><label>LCCN: </label>87600380  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Mars Planet--Geology.<br/>Mars Planet--Exploration.<br/>Mars Planet--Surface.
<br/><br/><label>LC Class. No.: </label>QB641  / .P47 1987 
<br/><br/><label>Dewey Class. No.: </label>559.9/23 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.16:1389