?

?

Add new comment

About text formats

Restricted HTML

  • Allowed HTML tags: <a href hreflang> <em> <strong> <cite> <blockquote cite> <code> <ul type> <ol start type> <li> <dl> <dt> <dd> <h2 id> <h3 id> <h4 id> <h5 id> <h6 id>
  • Lines and paragraphs break automatically.
  • Web page addresses and email addresses turn into links automatically.
CAPTCHA
11 + 4 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.
Name
?
Unit
4
Piece
6-16
Collection
1
Photo Credit
Robert M. Vogel
Photo Date
1974-04-27
Photo_Notes
Unidentified blast furnaces on the Monongahela River in Pittsburgh, PA.
Photo Site ID
UNIDENTIFIED
Structure
Blast Furnaces