Just signed a contract to take down 8 big oak trees, all dead. No one seems to know whats going on with oaks in MD. Theory is a wet 2018 and the drought of last fall really stressed them and disease/insects finish them off. Such a shame. We will re-plant but will never be the same in my lifetime.
https://extension.umd.edu/sites/extension.umd.edu/files/_docs/programs/hgic/Non_hgic_pubs/Maryland Pest Alert - Problems on White Oaks.pdf