REMOVE

1. Chart Atlas
2. Navigation

WHAT

1. Atlas Map (1)
2. Geologic Atlas (1)
3. Geology (1)
4. Oceans/Seas (1)

WHERE

1. Curry County (Ore.) (1)
2. Oregon (1)

WHO

1. Alpha, Tau Rho (1)
2. U.S. Geological Survey (1)

WHEN

1. 1968 (1)
2. 1988 (1)