Pennsylvania Warning: You are not logged in. Your IP address will be publicly visible if you make any edits. If you log in or create an account, your edits will be attributed to your username, along with other benefits.Anti-spam check. Do not fill this in! ===Water=== {{see also|Port of Philadelphia|Port of Pittsburgh}} The [[Port of Pittsburgh]] is the second-largest [[inland port]] in the United States and the 18th-largest port overall; the [[Port of Philadelphia]] is the 24th-largest port in the United States.<ref>Waterborne Commerce Statistics Center, p. 5-4.</ref> Pennsylvania's only port on the [[Great Lakes]] is located in Erie. The [[Allegheny River Lock and Dam Two]] is the most-used [[Lock (water transport)|lock]] operated by the [[United States Army Corps of Engineers]] of its 255 nationwide.<ref>{{Cite news|url=http://www.pittsburghlive.com/x/pittsburghtrib/business/s_699345.html|title=Corps shuts Highland Park lock for two weeks of repairs|last=Santoni|first=Matthew|date=September 14, 2010|work=Pittsburgh Tribune-Review|publisher=Trib Total Media|access-date=September 14, 2010|url-status=dead|archive-url=https://archive.today/20120908040557/http://www.pittsburghlive.com/x/pittsburghtrib/business/s_699345.html|archive-date=September 8, 2012}}</ref> The dam impounds the [[Allegheny River]] near [[Downtown Pittsburgh]]. Summary: Please note that all contributions to Christianpedia may be edited, altered, or removed by other contributors. If you do not want your writing to be edited mercilessly, then do not submit it here. You are also promising us that you wrote this yourself, or copied it from a public domain or similar free resource (see Christianpedia:Copyrights for details). Do not submit copyrighted work without permission! Cancel Editing help (opens in new window) Discuss this page