They could have a char once a fortnight for a scrub-down and the heavy washing. The Combined Maze May Sinclair In an hour I had landed twelve trout and char, weighing 10Â½ lb. Sport in Vancouver and Newfoundland John Rogers In this light they were considered by the parliament in the 25 char.
The geologic time scale that represents the longest time span is  the eon. It is a unit of time that is equal to a billion years.
Geologic Time and the Age of Rocks Geologists use fossils to divide Earth history into named intervals, and they use the rate of radioactive decay to determine the numeric age of those intervals. This map classifies the geologic materials of the San Francisco Bay region by age, dividing them into eons, eras, periods, and epochs of geologic time.