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  Search result  Your search for [author]Andal, Gregorio A. returned 6 records.  
 
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  Book Philippine volcanoes and solfataric areas.

by Andal, Gregorio A.; Quezon City: Published with the permission of the Commission on Volcanology, 1973.

Subject: Volcanoes -- Philippines; Volcanism -- Philippines.

  
     
Relevance: 21.53%
 
     
  Book Philippine volcanoes and solfataric areas.

by Andal, Gregorio A.; Quezon City: Published with the permission of the Commission on Volcanology, 1980.

Subject: Volcanoes -- Philippines; Volcanism -- Philippines.

  
     
Relevance: 20.11%
 
     
  Book Philippine volcanoes and solfataric areas.

by Andal, Gregorio A.; [S.l.: s.n.], 1953.

Subject: Volcanoes -- Philippines.

  
     
Relevance: 20.11%
 
     
  Book Surveillance techniques employed in Taal volcano and their significance to prognostication.



  
     
Relevance: 15.65%
 
     
  Book Information circular no. 17 : iron in the Philippines.

Manila: BM, 1953.

  
     
Relevance: 15.16%
 
     
  Book Volcanoes of the Philippines: excerpts from Philippine volcanoes and solfataric areas.

by Yambao, Benigno V.; Quezon City, Philippines: Commission on Volcanology, NSDB, 1973.

Subject: Geology; Geology -- Volcano -- Philippines; Philippine volcanoes; Solfataric areas -- Philippines.

  
     
Relevance: 13.06%
 
     
 
         
         
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