00543cas0a2200181i0045000010006000000050017000060080041000230350015000640410008000791000018000872100045001052450056001502600010002063000035002164900013002515040014002648300083002785637420260715210302.0      u              m                    atr986506420 aeng1 aHodgson, J.M.10aTech. Bull. U. S. Dep. Agric. For. Serv.14aThe Nature, Ecology, and Control of Canada Thistle.00c1968.  as. II, 32 :bil. , tab. ;c24.1 vNo. 1386  abibliogr. 0aTechnical Bulletin - U. S. Department of Agriculture, Forest ServicevNo. 1386