Based on the available information, the Sawlog Creek boat ramp is located in Montana, with the latitude and longitude coordinates of 45.84137994900004 and -113.25101434499999, respectively. The exact location of the boat ramp is not clear, but it is likely situated near the Sawlog Creek or its mouth where it meets a larger body of water.

As for the type of boat ramp it is, there is no specific information available. However, boat ramps can vary in type, such as concrete, gravel, or dirt, based on their location, use, and maintenance.

Regarding the width of the Sawlog Creek boat ramp, there is no available data to verify its exact dimensions. However, boat ramps typically range between 10 to 30 feet wide, depending on the intended use and the size of the boats expected to dock or launch.

The body of water that the Sawlog Creek boat ramp services is also not clearly indicated. However, based on its name, it is likely connected to the Sawlog Creek, a body of water that runs through Montana and Idaho. The creek eventually flows into the Clark Fork River, which is a major tributary of the Columbia River.

Lastly, the kind of craft that are permitted on the water served by the Sawlog Creek boat ramp is uncertain. However, the kind of boats that can be launched from a boat ramp typically depends on the water depth, current, and other local regulations. In Montana, motorized boats are required to have a valid registration and must abide by specific boating laws and regulations.