pi = 3.1415926535897932384626433
pumpkin pie = delicious.
What do you get when you put them together? A tasty, orange device that allows you to measure the area and circumference of a circle? Perhaps. 270 doesn't really resemble a pumpkin and it's hard to use only pi to measure its area, but there are a few places you can get pumpkin pie and Calculus helps us with the area. The caches you can find along the perimeter are akin to whipped cream on your slice of pie. Don't get any on your face as you eat it.
The Loop was created in part because we loved the idea of "Going in Circles," a group of caches that took the traveler around 270. Unfortunately, by the time we started caching, the series had passed its prime and many of the hides have been archived. To honor that great idea, we decided to reinvigorate the circuit of Columbus. These caches will all be very easy. But for the more adventurous explorer, they will also lead to the completion of a larger puzzle. The series is designed to be an easy way to boost your numbers (if that's your deal), to take a great circular adventure and give you a sense of accomplishment for getting them all (if that's your deal), or to serve as building blocks for a larger mystery (if that's your deal).
Each cache in the series contains a clue needed to solve "The Circuitous Cartographer." If you intend to unlock that puzzle, make sure you note the clue, the container, and the number of each Loop cache you find. Otherwise you might find yourself revisiting caches you've already discovered!
OTHER CACHES IN THE SERIES
