Standing on the front lawn of the Dangberg Home Ranch Historic Park on Monday, Gov. Brian Sandoval presented Mark Jensen and Mike Hall with a plaque designating it one of Nevada's top treasures."I love Nevada history and this is truly one of the jewels in Nevada. This was the highest vote getter in the state," Sandoval said. "I'm very eager to go in and see what we have here. It truly is a Nevada experience when you can drive in amongst the cows."In May, the Dangberg Home Ranch Historic Park won the 6-week "Discover Your Nevada" online contest, sponsored by …