First Impressions
Newspaper article; Daily Herald (Arlington Heights, IL), April 16, 2010
Collections:
Religious Studies, Education, Psychology, History, Literature, Philosophy, Entire Library
...Natural stones, such as the igneous rock porphyry, are able to stand the test of time...concrete, which will degrade more quickly. Porphyry is an excellent choice for paving outdoor...paving industry." Imported from Mexico, porphyry is a type of volcanic rock and is recognized...