a method and apparatus of installing markers into a variety of ground conditions is described . application of marker installation tool provides for complete installation in hard , soft , wet , dry , frozen , and a variety of other ground conditions , whether the marker is rigid or flexible . by inserting a marker into the tool , it can be easily and rapidly driven into the ground . a sharpened end portion on one end of the tool provides for driving a hole into the ground in preparation of installing a marker .