Humacao

1967

1:20k

Humacao

1946

1:30k

Humacao

1958

1:20k

Humacao

1952

1:30k

Humacao

1967

1:20k

Humacao

1946

1:30k

Humacao

1946

1:30k

Humacao

1967

1:20k

Soil map : Poerto Rico : Eastern sheet

1942

Roberts, R. C.

1:50k

Composite: (4 Sheets) Soil map : Puerto Rico

1942

Roberts, R. C.

1:50k