Scene shows Block House at Bois Blanc Island along curving road. Lighthouse behind trees. Printed on front: "Block House, Bob-Lo (Bois Blanc Island) Detroit River." Printed on back: "Souvenir post card. Printed in Great Britain. Published by Detroit and Windsor Ferry Company, Detroit River Steamers." Handwritten on back "7/14. Dear mama. I am spending the day at this place. Havie[?]." Card is postmarked July 14, 1912.
