Torre Water Catchment - Credit: Wikimedia Commons
The Torre Water Catchment, also known as the Hatsuho Water Catchment, is located on what is now Hatsuho Golf Course in Yigo (Piga), Guam. It is a historic site that was listed on the U.S. National Register of Historic Places in 1994. The catchment has an octagonal-shaped exterior made of concrete around limestone gravel and cobbles and has a plastered cylindrical interior. It is in diameter and its walls vary from .27 to .46 meters thick. It was built in approximately 1916 by a farmer, Juan dela Torre, to provide water when needed, in a northern area of Guam that is far from regular water supplies. and Read more on Wikipedia
Source: en.wikipedia.org