Anthropogenic global warming! BE AFRAID. Updated

Page 199 of Courier and Ives' Chronicles of America edited by John Lowell Pratt (1968)

[I'm sorry about the quality. My new Mac won't speak to my old printer/scanner. Photographs are my only option.]

Courier opened his print shop on Wall St. in 1834. He was joined by Ives in 1852. After their deaths, their sons continued the business until 1907. Funny... to think of taking a digital photograph of a printed copy of a crappy an old lithograph created in 1868.

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From River Gages dot com which is really a dot army dot mil site

These  data are Mississippi River water levels at Greenville, Mississippi for the past week. The record low (red) occurred in 1927. The current level is in blue (don't mind the blip). Historic average is in green (don't know how many year's worth); last year in black dots. 

There is a glossary at the site. Have fun!

Update: Dates corrected. Thanks suek.