Vol. 17 , No. 12 
Page 3 
the mailings to nonrespondents at 2 -week intervals, and code questionnaires so 
that responses to each mailing can be evaluated separately. 
n !" we ur9e 3 fresh a PP roach by the Survey and inventory Droiect 
D partment of conservation, to estimating the squirrel harvest. As a first * 
!£*!!'? m " ndator V that a statistician familiar with ma i 1 S questionna i res be 
r rt " sr X«dir:^r s 
should'b^avatlabt^for^sampttng ! 0 The^present method^elects ^nl^th^n rst *" 5 
Accounting, Department of Conservation, Personal Commonicat ion' 1974 ). 
M 5 £onses of Praine C hicken s to Habitat Manipulation R. L . Westemeier, 
D. R. Vance 
A desirable goal in habitat management for any species of ; c * 
Much^of'thp 3 maXimUm ° f eco l° 9 'ca"y sound manipulltions at minimum expense 
through sharecropping*Iease^wi*th PMomI h i| S bee " accom P l ished 
-tia Krss,r~ 
pas tu r^f ee^^nd "Fade ra I ‘ f ‘ " ,ana9e,nent ' including crops, grass-legume seed, hay, 
, fiera 1 ' / 7 ^? d farm Programs amounted to $ 30 , 989.50 for the oast Y 
of f e Ca aC rS C e 7 ;a 7 ncy'?p 7 Cc'P’wh nd h l973 - 74) f ° r *” ^ cSttee 
tn thP prr tl u ! y (PGC '> wh 1 ch now owns or leases 894 acres. Expenses 
seed fuel c hem* b 'f at man ?9 ement during the same period, including fertilizer 
balance of'j 5 ^ 9 !!' ec l“'P"«nt, and land taxes totaled $2 5 ,4 9 2. 5 0, leaving a’ 
acres T owniS C bv e ^e m-"! in ° is State Treasurer from habitat management on 567 
acres owned by the Illinois Department of Conservation (IDC) and dedirateH TJ 
Illinois Nature Preserves amounted to $2,928 90 in FY 1 Q 73 iL f 
I DC amounted to $2 oin n? th,, c ? 7 , FY 1 973-74. Expenses to the 
State for FY 1974-75 wM\’J “! ba,ance of $ 898 . 88 . Income to the 
$1 142 oc r- ' b about $3,500.00, whereas expenses to date have been 
oWerUlizeJ and ?me:?„ t,0nS Pen " !t ’ h ° Wever > authorized applications 
expenses. To date, however ^he^osts^f^h "^^' 65 W ' n substantial ly increase 
the PGC and the IdI baTe^a^d^ w“rZ2*”' *° b ° th 
will (i*n i tta I iy S a f b i eas ti°resui t ‘in”, h^T"^ °" the state-owned sanctuaries 
\ Iiyat east; result in substantially reduced revenues to the State 
