About Mii
-- Help Mii  
Posters For Sale

GO-KIT
 
Global Science
Energy, Resources, Environment


At the time of the Revolutionary War, annual mineral materials 
used per capita are estimated to have been about 1,200 pounds.

1975, U.S. Bureau of Mines

Click here to download the complete story. (pdf, 627K)

Then

The "good ol' days"

Now


Click here to download the MII Baby as a PDF file.

American Lifestyles Have Changed

  1776 1850 1900 1950 2005
Population (millions): 2.8 23 76 152 295
Lifespan (Years): 33 43 47.3 68.2 77.6
Annual consumption
mined material (lbs.):
1,200
(est.)
unknown 7,714 25,938 47,502
Houses (millions):   3.4 16 42.5 112
Motor Vehicles -- -- 8,000  149 million 237 million


Home | For Teachers | Poster Packets | Homework Help | EnvironmentAbout Mii |

Mineral Information Institute
Affiliate of SME Foundation
8307 Shaffer Pkwy, Littleton CO 80127  USA
Phone:  303/277-9190 Fax: 303/277-9198
www.mii.org  -- mii@mii.org