USGS - science for a changing world

USGS Online Publications Directory

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[PARENTDIR] Parent Directory - [IMG] coverthb.jpg 2021-09-29 18:28 9.4K [   ] ofr20211096.pdf 2021-09-29 18:29 655K [TXT] ofr20211096.xml 2021-09-28 16:04 32K

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