Internal Affairs: Monthly Bulletin, Volume 2, Issue 1Department of Internal Affairs, Commonwealth of Pennsylvania., 1936 - Pennsylvania |
Contents
DEPARTMENT | 2 |
Surveys Created After People of State Demanded Infor | 14 |
Philadelphia Cradle of Science in America Played Leading | 20 |
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Academy of Natural advance America anthracite ascribed Ashley became Beche bedded rocks began Bituminous Coal bones celebration Centenary century coal Commission Commonwealth crust developed earth earthquakes engineers England erosion especially established field flood folded fossil shells fossils Fourth Survey Franklin Institute geologic map Geologist Geologist of Pennsylvania Governor granite Harrisburg Henry Darwin Rogers Herodotus Hutton Hutton's friend Internal Affairs James Hutton Lamarck land later Legislature Leidy Lesley maps and sections ment miles million mineral resources mineralogy mining modern mountains Natural Sciences NON-METALLIC INDUSTRY observations oil and gas original Pennsyl Philadelphia Playfair present production Professor progress published quarried reports Robert Hooke Rogers romance science of geology scientific Second Survey sediments square miles steel stone strata studied surface Survey of Pennsylvania sylvania THADDEUS STEVENS theory things tion Titusville tons United States Geological University of Pennsylvania valleys vania volcanoes Werner Wernerites