The reflection coefficient hits 100% exactly at the critical angle. More rigorously, consider that an analysis of the boundary conditions at the interface requires that the two polarizations of light have reflectances:
Distance from Ruskin, FL to Palmetto, FL 18 Miles or 29 Km. How many hours? 24 mins
Palmetto Trail Handbook. The Palmetto Trail is a multi-purpose trail which connects the mountains of South Carolina to the seacoast. Most of it is unpaved and can be used for hiking, horseback riding, or mountain bicycling, although a few sections in the upstate are restricted to foot traffic only.