_:n2bb07515944b47c89346dce3ca9c4485xb0
<http://schema.org/description>
"The report describes three types of cetacean marine environment holding and training enclosures.  The three types discussed are a permanent wood structure, a permanent concrete-steel structure, and a mobile floating enclosure.  The report also includes a brief description of the methods of construction and materials utilized. The report is extensively illustrated.  Author"
<https://apps.dtic.mil/sti/citations/AD0722400>