The Measure Of Manhattan The Tumultuous Career And Surprising Legacy Of John Randel Jr Cartographer Surveyor Inventor -

how manhattan got its street grid excerpt scientific - credit from the measure of manhattan the tumultuous career and surprising legacy of john randel jr cartographer surveyor inventor, commissioners plan of 1811 wikipedia - the commissioners plan of 1811 was the original design for the streets of manhattan above houston street and below 155th street which put in place the rectangular grid plan of streets and lots that has defined manhattan to this day it has been called the single most important document in new york city s development and the plan has been described as encompassing the republican, chesapeake delaware canal wikipedia - the chesapeake bay and delaware river were now connected by a navigation channel measuring nearly 14 miles 23 km long 10 feet 3 m deep 66 feet 20 m wide at the waterline and 36 feet 11 m wide along the channel bottom