North Pacific Ocean. Mariana or Ladrone

Scale: circa 1:1,600,000. Chart of the Mariana Islands. With ten insets and nine views. Variation. Coordinates given. No. 66 in a folder compiled by J D Potter - see 298:8/3 for original list.
Insets: 1. Umpta Bay 1:5,000 bar; 2. Guam or Guajan Island 1:170,000 bar; 3. Alamagan Island 1:95,000 bar; 4. Tanapag Harbour 1:95,000 bar; 5. Magicienne Bay 1:30,000 bar; 6. Port Tarofofo 1:10,500 bar; 7. Rota Island 1:220,000 bar; 8. Agana Bay 1:28,000 bar; 9. Sunharon Roads 1:50,000 bar; 10. Port San Luis D'Apra 1:35,000 bar.