The mayor of Harker Heights released a letter in response to talks between the city and the U.S. Army Corps of Engineers about leasing Dana Peak Park, saying he wants to lower costs and make the park open 365 days a year. The letter also says he wants to make it a budget priority for the upcoming year.Watch the story here: Dana Peak Park could come under Harker Heights control, but no concrete plan existsThe park is currently owned by the U.S. A…