Armstrong, Augustus K. <br/><br/>
Biostratigraphy and carbonate facies of the Mississippian Arroyo Peņasco Formation, north-central New Mexico, 
by Augustus K. Armstrong. 
 - Socorro,  State Bureau of Mines and Mineral Resources, New Mexico Institute of Mining and Technology,  1967. 
 - 79 p.  illus. (2 fold. in pocket), maps.  29 cm. 
 - New Mexico. Bureau of Mines and Mineral Resources. Memoir  20 .
 - Memoir (New Mexico. Bureau of Mines and Mineral Resources) ;  20. .
<br/><br/>Bibliography: p. 78-79. 
<br/><br/><label>LCCN: </label>gs 68000248 //r90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Mississippian.<br/>Geology--New Mexico.
<br/><br/><label>LC Class. No.: </label>QE672  / .A67 
<br/><br/><label>Dewey Class. No.: </label>551.7/51