Divers search for dog in Buffalo Grove 1-26-12

The information on the board outlines the specifics of the recovery operation. Larry Shapiro photo

Firefighters carry a boat to the edge of the lake for the dive operation. Larry Shapiro photo

A member of the Lake County Sonar Team drills through the ice to insert the sonar unit. Larry Shapiro photo

An inflatable boat is pulled towards the dive area to be used as a work platform for tenders. Larry Shapiro photo

Another view as the dive tenders make their way across the water. Tim Olk photo

A diver receives assistance in preparing to go into the water. Larry Shapiro photo

A diver is helped out onto the solid ice and walks towards the opening where he will enter the water. Larry Shapiro photo

Members of the sonar team view an image of the lake and search for targets. Larry Shapiro photo

The image from the sonar shows the diver and several items which could be the dog. Larry Shapiro photo

After entering the icy water, a diver waits for the order to begin his search. Larry Shapiro photo

Several members of the sonar team review the images from the sonar device looking for a target. Tim Olk photo

As one diver is in the water, a second stands by on the ice and a third is ready to go from the shoreline in the event of an emergency. Tim Olk photo

After spending the maximum time allowed under water, a diver is assisted out of the water by another diver in a cold weather suit. Larry Shapiro photo