The image shows a drawing of a machine with a wheel on it, which is believed to be a geocache, a device used to measure the amount of water in a body of water.
Read full description
The image shows a drawing of a machine with a wheel on it, which is believed to be a geocache, a device used to measure the amount of water in a body of water. The drawing is accompanied by text and a logo, likely providing further information about the device.