blueprint

Drawing 357

Drawing 360

Drawing 361

Drawing 363

Drawing 368

Drawing 370

Drawing 373

Drawing 374

Drawing 376

Drawing 377

Drawing 378

Drawing 379

Dry Tortugas - 2nd Order Lens (1)

Dry Tortugas - 2nd Order Lens (2)

Dry Tortugas - 2nd Order Lens (3)

Duck Rocks - Concrete Covered Steel Tripod Details

Duck Rocks - Elevation

Duck Rocks - Side Elevation

Duluth Buoy Depot - Dock Plans

Duluth Buoy Depot - Elevation & Floor Plans

Duluth Buoy Depot - End Elevations and Cross Sections

Duluth South Breakwater Range - Car For Tramway

Duluth South Breakwater Range - Modification Of Deflector For Fog Signal

Duluth South Breakwater Range - Parabolic Reflector For Fog Signal

Duluth South Breakwater Range - Post Light

Duluth South Breakwater Range Front - Elevations

Duluth South Breakwater Range Rear - Sheet 1

East Brother - Air Receiver

East Brother - Cable Crossing

East Brother - Installation Of Diaphone

East Brother - Installation Of Generator

East Brother - Modification Of 4th Order Optic Stand

Egg Rock - Proposed Landing Pier

Egg Rock - Tripod Day Mark

Eldred Rock - Plate 10

Eldred Rock - Plate 9