00709cam a22002051 4500001001300000003000400013005001700017008004100034010001700075035002000092040001900112042001200131050002100143100002500164245015200189260004400341300003700385490006600422650001500488e 23000128 DLC20260227111214.0850702s1923 dcua 000 0 eng  ae 23000128  a(OCoLC)12225077 aDLCcNBuUdDLC apremarc00aGV201b.U5 no. 11 aHutchinson, Dorothy.10aPreparation of school grounds for play fields and athletic events,cby Dorothy Hutchinson... Department of the interior. Bureau of education, 1923. a[Washington,bGovt. print. off.,c1923] aiii, 17 p.bincl. diagr.c23 cm.0 a[U.S.] Bureau of education. Physical education series,vno. 1 0aAthletics.