100 Years Ago There were only 8,000 cars in the U.S., and only 144 miles of paved roads. The maximum speed limit in most cities was 10 mph. Road Maintenance.
Agriculture and Agriculture et Agri-Food Canada Agroalimentaire Canada Trends in Summer Fallow and Climate Variables in the Canadian Prairies S. Gameda,
Assessment of Climate Change Impact on Agriculture Giacomo Trombi, Roberto Ferrise, Marco Moriondo & Marco Bindi DiSAT – University of Florence Rome –
