1592953627000 1312632483000 term-61648 1616541007025 1312632557000 1616290359561 adlib fitz-online adlib-term-61648 145a8a1a-efdc-3b75-8b65-014aa24a8226 2 1 scope note Fortified log structures with loopholes or ports in their sides which permit gunfire in all directions. DAC reference term-61647 adlib-term-61647 9b245942-6373-3eaf-a156-bb4d18ed4da4 blockhouse V.RK.AFU.ALO.ALO.DIO.ALO.AFU 1 code V.RK.AFU.ALO.ALO.DIO.ALO.AFU 1 blockhouses reference term-61655 adlib-term-61655 b8ac8b00-458c-334b-ad45-db71eccc1e35 <military security buildings> blockhouses term