>>3193330 lb
http://www.esd.whs.mil/Portals/54/Documents/FOID/Reading%20Room/Special_Collections/13-M-46380001.pdf
>>3193330 lb
http://www.esd.whs.mil/Portals/54/Documents/FOID/Reading%20Room/Special_Collections/13-M-46380001.pdf
https://www.hq.nasa.gov/office/pao/History/TM-3487/notes7.htm
Skylab
http://www.aoml.noaa.gov/general/lib/TM/TR_ERL_AOML_7-2.pdf
http://capitalastronomers.org/SD_year/1966/StarDust_1966_10.pdf