After conducting extensive research, I could not find any boat ramp named HOMESTEAD - GUS NELSON in Montana with the given latitude and longitude coordinates. It is possible that the information provided is incorrect or outdated.

In general, boat ramps are typically designated areas for boats to be launched or retrieved from a body of water. The width of a boat ramp can vary depending on its location and usage. The body of water that a boat ramp services can also vary, ranging from lakes and rivers to oceans and bays.

Most boat ramps have specific regulations or guidelines in place regarding the types of craft that are permitted on the water. These regulations may include restrictions on boat size, motor type, and other safety requirements. It is important for boaters to research and comply with these regulations to ensure a safe and enjoyable experience on the water.