Pennsylvania Coal Poster WPA 1938 T-Shirt
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From www.railphotoexpress.biz Coal ignited America's Industrial Revolution and steel was the muscle that drove it forward. Together, they provided the tools and ran the railroads of progress and the guns and armor to defend it. During World War II (1941-1945, when there was gasoline and tire rationing),railroad passenger travel surged to record amounts, peaking at nearly 98 billion passenger-miles in 1944. America appeared invincible and most of that raw power came from Pennsylvania. Seen as the source of strength that kept our nation free, Pennsylvania became known as the Arsenal for Democracy.