Description: This dataset shows thelaterite found in the general geologic mapof Yap. It was created by Island Research & Education Initiative (iREi) (2019) by scanning, georeferencing, and digitizing a paper map with data by C.G. Johnson, geologist, Military Geology Branch, US Geological Survey; prepared for the Intelligence Division, Office of the Engineer, Hq. US Army Japan; based on field investigations by C.G. Johnson in 1947-1948; compiled in 1956 from Caroline Islands 1:25,000, Series W856, Sheets 1850 III NW, 1850 IV NE, 1850 IV SE and 1850 IV SW; original mapping by photogrammetric (multiplex) methods 1954.
Copyright Text: Original map by Johnson (1956)
GIS dataset by Island Research & Education Initiative (iREi)
Description: This dataset shows the generalgeology of Yap. It was created by Island Research & Education Initiative (iREi) (2019) by scanning, georeferencing, and digitizing a paper map with data by C.G. Johnson, geologist, Military Geology Branch, US Geological Survey; prepared for the Intelligence Division, Office of the Engineer, Hq. US Army Japan; based on field investigations by C.G. Johnson in 1947-1948; compiled in 1956 from Caroline Islands 1:25,000, Series W856, Sheets 1850 III NW, 1850 IV NE, 1850 IV SE and 1850 IV SW; original mapping by photogrammetric (multiplex) methods 1954.
Copyright Text: Original map by Johnson (1956)
GIS dataset by Island Research & Education Initiative (iREi)