to extract data

Hi R-users,

I have a set of data from 1958-2009, how do I extract the data from 1927 and 2007?
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beechworth.dt
???? Year Month? Rain
1??? 1858???? 3? 21.8
2??? 1858???? 4? 47.0
3??? 1858???? 5? 70.1
4??? 1858???? 6? 78.7
5??? 1858???? 7 101.6
6??? 1858???? 8 129.8
7??? 1858???? 9? 80.8
8??? 1858??? 10? 41.9
?...
?
???? 2009??? ......
?
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I tried:
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?beechworth.dt.2 <- beechworth.dt[beechworth.dt$Year=="1927":"2007",]
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and got
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Warning message:
In beechworth.dt$Year == "1927":"2007" :
? longer object length is not a multiple of shorter object length
?
Thank you so much for any help given.