1. George Petrie’s “Topographical Department” 1835 - 1842 Paul Walsh 2. THE REMIT In 1824 the Ordnance Survey (est. 1791) was directed to map the entire island of Ireland…
Slide 1 Slide 2 Slide 3 Slide 4 POPULATION 1.9 million (density 339/sq.mi) Michigan=9.9 million (density=174/sq.mi) 30% of the island of Ireland’s population…