Middletown Block 54 MIDDLETOWN BLOCK 54.tif MIDDLETOWN BLOCK 54 Lot 1- Permit to Henry J. Dobbs to erect retaining wall with freestanding walls on top ranging in ht from 6 1 to 14 1 811,at 2151 Kettner Blvd., Zone M-1. C-15854 2/27/79 http://apps.sandiego.gov/directories/development-services/pdf/records/subdivision_cards/drawer_2/a_miralani/middletown_block_54.pdf