East View Map Link NOAA Chart 12238-Chesapeake Bay Mobjack Bay and York River Entrance Printed on heavy weight acid free paper. Printed on demand using the most up to date NOAA data and latest Notice to Mariners (NTMs) applied at time of print. Meets United States Coast Guard carriage requirements. Pre-production finishing for superior quality. Printed by East View Map Link. Map Scale: 1:40,000. Map Size (inches): 47.05 x 33.6.