Central Puerto Rico (PR)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by Can.Aero
Date flown ?/57
Line spacing 0.4 and 0.8 (km)
Altitude 152.4 (m) above ground
Total distance 5,069 (km)
References
Counties Adjuntas - Aguas Buenas - Aibonito - Arecibo - Arroyo - Barranquitas - Bayamon - Caguas - Canovanas - Carolina - Cayey - Ciales - Cidra - Coamo - Comerio - Corozal - Florida - Guayama - Guaynabo - Gurabo - Humacao - Jayuya - Juana Diaz - Juncos - Las Piedras - Manati - Maunabo - Morovis - Naguabo - Naranjito - Orocovis - Patillas - Penuelas - Ponce - Rio Grande - Salinas - San Juan - San Lorenzo - Santa Isabel - Toa Alta - Trujillo Alto - Utuado - Vega Alta - Vega Baja - Villalba - Yabucoa
Overlapping surveys

Data: Magnetic (M-Dz)