Green water at Miner’s Castle Beautiful water below Miner’s Castle overlook at Pictured Rocks National Lakeshore. Post author By Davin Granroth Post date July 31, 2016 No Comments on Green water at Miner’s Castle By Davin Granroth Davin is Chief Operating Officer for Covenant Eyes, Inc. in Owosso, MI, USA, where he gets to mix his background in user experience design, research, and strategy with the operation of a software company. For more, see his LinkedIn profile. View Archive → Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website