1. Philadelphia-goods are transported to and from here to other continents;
2. Pittsburgh-the nation's largest inland port. Goods can be sent to 24 states by a 9,000 mile, inland waterway system. The Monongahela River is one of the busiest rivers for shipping tons of coal, coke and steel.
3. Erie-travel can go north and west to Canada or east through Lake Ontario to the Atlantic Ocean.
Also....Port Carbon, and Port Vue Borough. (minor, major ports)
Erie and Philadelphia.
Erie, Pittsburgh and Philadelphia.
Philadelphia, Pittsburgh and Erie.
Key ports, with regard to shipping, means essential ports that are necessary in order for shipping to successfully take place.
They are all inland ports and vital to inland shipping. Also, they are all on Lake Erie.
Rivka Romi-Levin has written: 'Israel's ports' -- subject(s): Marine terminals, Container ports, Bibliography 'CIS shipping & ports' -- subject(s): Bibliography, Marine terminals, Shipping, Harbors 'Port privatisation' -- subject(s): Bibliography, Harbors 'Maritime Spain & Portugal' -- subject(s): Bibliography, Shipping, Harbors 'Middle East ports & shipping' -- subject(s): Bibliography, Harbors, Shipping 'Arab shipping & ports' -- subject(s): Bibliography, Marine terminals, Shipping, Harbors 'Intermodal transport' -- subject(s): Bibliography, Containerization 'China shipping & ports' -- subject(s): Bibliography, Marine terminals, Shipping
im not sure?
Because of its ports on lake Erie and other Ports.
in bulk tonnage Immingham
They had natural ports.
It does appear that Pennsylvania has several ports along an inlet that makes up part of the Delaware/New Jersey border and ends up in Pennsylvania. While technically not ON the Atlantic, these Pennsylvania ports are connected to the Atlantic by a short waterway.
Pennsylvania's borders have never been near the ocean. So Pennsylvania never had any ocean ports.
Gary Indiana on Lake Michigan and Evanston on the Ohio River are two large Indiana ports.
They were headed by British shipping ports shipping supplies, Germany was at war with britian.
The Continental System. It only closed European ports to British Shipping and British products.