Second Grade
Unit 1 | Activity 7
| Activity 7: Problems Caused by Manufacturing | ||
| 7-1 |
FISH KILLED BY WATER POLLUTION, 1972. US National Archives & Records Administration, Item from Record Group 412: Records of the Environmental Protection Agency, 1944 - 1989 [electronic resource] |
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| 7-2 |
DISCHARGE PIPE ON MONTEREY BAY BEACH, 1972. US National Archives & Records Administration, Item from Record Group 412: Records of the Environmental Protection Agency, 1944 - 1989 [electronic resource] |
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| 7-3 |
SULFUR-DUSTING OF GRAPE VINES, 1972. US National Archives & Records Administration, Item from Record Group 412: Records of the Environmental Protection Agency, 1944 - 1989 [electronic resource] |
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| 7-4 |
SMOG HANGS OVER LOUISVILLE AND OHIO RIVER, 1972. US National Archives & Records Administration, Item from Record Group 412: Records of the Environmental Protection Agency, 1944 - 1989 [electronic resource] |
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| 7-5 |
STEAM EMISSION AT THIS ASPHALT BATCH PLANT CONSISTS OF 85 PERCENT SAND DUST, ACCORDING TO THE AIR POLLUTION CONTROL BOARD, 1972. US National Archives & Records Administration, Item from Record Group 412: Records of the Environmental Protection Agency, 1944 - 1989 [electronic resource] |
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| 7-6 |
SMOG, SAN GABRIEL MOUNTAINS, 1972. US National Archives & Records Administration, Item from Record Group 412: Records of the Environmental Protection Agency, 1944 - 1989 [electronic resource] |
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| 7-7 |
DISCARDED PESTICIDE CANS, 1972. US National Archives & Records Administration, Item from Record Group 412: Records of the Environmental Protection Agency, 1944 - 1989 [electronic resource] |
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| 7-8 |
OIL SUMP, 1972. US National Archives & Records Administration, Item from Record Group 412: Records of the Environmental Protection Agency, 1944 - 1989 [electronic resource] |
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| 7-9 |
HILLSIDE DUMP, 1972. US National Archives & Records Administration, Item from Record Group 412: Records of the Environmental Protection Agency, 1944 - 1989 [electronic resource] |
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| 7-10 | Smoke over Des Moines, why : Des Moines Public Forums / designed & made by Iowa Art Program, W.P.A. [between 1936 and 1941]. ]. Image courtesy of Library of Congress, Prints & Photographs Division, Work Projects Administration Poster Collection [reproduction number, LC-USZC2-5268 DLC] |  |
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