00793cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040001700111043001200128050002200140100004100162245006900203260004800272300005800320490004200378500006400420500002000484651003000504999001700534gs 37000119 DLC20260227111341.0791203s1937    dcuabf       f001 0 eng    ags 37000119   a(OCoLC)5754452  aDLCcMedDLC  an-us-ma00aQE75b.B9 no. 8821 aStaack, J. G.q(John George),d1878-10aSpirit leveling in Massachusetts, 1922-35c[by] J. G. Staack ...  aWashington,bU.S. Govt. print. off.,c1937.  a1 p. l., 156 p. incl. map, tables, digr., pl.c23 cm.0 aU. S. Geological survey. Bulletin 882  aAt head of title: United States Department of the interior.  aIncludes index. 0aMassachusettsxAltitudes.  c27349d27349