1
Published 1980.
Subjects: '; ...Sand and gravel industry Environmental aspects Arctic regions....

Report Number(s): APA 1179 SUS 10030 FWS/OBS-80/08

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2
by Joyce, M. R.
Published 1980.
Subjects: '; ...Sand and gravel industry Environmental aspects Arctic regions Handbooks, manuals, etc....

Report Number(s): FWS/OBS-80/09 APA 2989 APA 3260 SUS 10034

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