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Mineral Resources
Online Spatial Data
Magnetic anomaly
Aeromagnetic surveys
U.S. possessions and associated areas
Airborne geophysical surveys
Counties of Puerto Rico
Adjuntas
Aguada
Aguadilla
Aguas Buenas
Aibonito
Arecibo
Arroyo
Barceloneta
Barranquitas
Bayamon
Caguas
Camuy
Canovanas
Carolina
Cayey
Ciales
Cidra
Coamo
Comerio
Corozal
Dorado
Florida
Guayama
Guaynabo
Gurabo
Hatillo
Humacao
Isabela
Jayuya
Juana Diaz
Juncos
Lares
Las Marias
Las Piedras
Manati
Maunabo
Moca
Morovis
Naguabo
Naranjito
Orocovis
Patillas
Penuelas
Ponce
Quebradillas
Rio Grande
Salinas
San Juan
San Lorenzo
San Sebastian
Santa Isabel
Toa Alta
Toa Baja
Trujillo Alto
Utuado
Vega Alta
Vega Baja
Villalba
Yabucoa
Survey name
Type
Altitude
Spacing
Flight line distance
Central Puerto Rico
M-Dz
152.4 m above ground
0.40 km
5,069 km
North Coast
M-Dz
152.4 m above ground
0.80 km
563 km
Utuado Batholith
M-Dz
152.4 m above ground
0.40 km
2,897 km