1 It is often necessary to do both CT and PET scans to evaluate cancer. 2  Help a doctor choose the best treatment for cancer or to see how well treatment is working. 3  PET scans may also be done to see whether surgery can be done to remove a tumor.
The 2016 Road Atlas. Weâve had plenty of time to hone our craft of compiling accurate, detailed maps and travel information into the ultimate road trip accessoryâ-something thatâs useful (and easy to use), current, beautiful, and compact.No wonder generations of savvy travelers have put our Road Atlas atop their packing lists! Learn Moreâº.eâve had plenty of time to hone our craft of compiling accurate, detailed maps and travel information into the ultimate road trip accessoryâ-something thatâs useful (and easy to use), current, beautiful, and compact. No wonder generations of savvy travelers have put our Road Atlas atop their packing lists! Learn Moreâº.
Understanding the earth underneath is the first step in understanding the world around us. So whatâs the geology like in your neighborhood? If you can read a geologic map you can find out! What is a Geologic Map? Geologic maps are not like other maps. Geologic maps, like all maps, are designed to show where things are. But, whereas the maps we know best show the distribution of roads or rivers or county boundaries, a geologic map shows the distribution of geologic features, including different kinds of rocks and faults.