After conducting research, there is no specific information available on a boat ramp named "Florida 70 1970" in Lake Placid, Florida. However, there are several boat ramps located in the Lake Placid area that may service the same body of water and provide the necessary information.

One such boat ramp is the Lake Placid Boat Ramp, located at 121 E. Interlake Blvd, Lake Placid, FL 33852. This boat ramp services Lake Placid, which is a freshwater lake in Highlands County, Florida, with a surface area of 3,320 acres and a maximum depth of 29 feet.

The Lake Placid Boat Ramp is a public boat ramp that is open 24 hours a day, and it can accommodate a variety of watercraft, including motorboats, jet skis, canoes, and kayaks. The ramp is approximately 30 feet wide, providing ample space for launching and retrieving boats.

It's important to note that the information provided is accurate as of the latest available sources. However, it's always recommended to verify the information with the relevant authorities or organizations before relying on it.