.bk J01
.fl Q829ms1.j
.fd locus log
.ed Q828
.ei ms

.rd Q812
.ri mL
k
3	m4260	500s	500w	excavation unit
112	r401			excavation unit, trapezoidal area
112	r402
112	r403
112	r404
112	r405
2	r406			excavation unit triangular area
2	r407
2	r408
.rd Q819
.ri lC
31	m4227	400n	200w	excavation unit
;.rd Q819
;.ri mL
;13	m4260	150n	400e	excavation unit
;41	m4228	400n	400w	excavation unit