00439nam a22001697a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093100001900102245002600121260008600147300001900233650001700252CHAP20220329135717.0971013s                r     00010     d  a40933  a41905  a46031  cCHAP00aFlory, Evan L.  aDeep pit type charcos  aWashington, U.S. :bDepartment of the Interior. Bureau of Indian Affairs,c(s.a.)  a13 h.b: ilus.14aAbrevaderos.