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| | [No title] (Site not responding. Last check: 2007-10-26) |
 | | The remaining questions are based on the next image, which is centered near the crater Autolycus in the southeast portion of the Imbrium Basin. |
 | | Based on your answers to the questions above, construct two stratigraphic columns showing older units below younger units for the following: (a) crater ejecta for craters 1, 2, 3, Archimedes, Autolycus, and Aristillus; and for (b) plains in Unit 4, Palus Putredinis, and Mare Imbrium. |
 | | If features formed at about the same time (or you can't tell whether one is older than another), indicate this in each column by putting the features at the same vertical position. |
| web.pdx.edu /~ruzickaa/G456/labs/Imbriumexercise.htm (365 words) |
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