"Rackensack" (=Arkansas) query

[Gerald Cohen]

    I've received the following request about "Rackensack"  from the
editor of _Ozarks Mountaineer_. Would anyone be able to help?

--Gerald Cohen

>   ...I've always heard that Rackensack was an old name for Arkansas,
>but I never knew why or how. We had a writer make a brief mention of
>it a number of issues ago, and then we get this letter. Do you know
>anything about the name?
>

>
>>
>>...a few months ago in the "ozarks mountaineer" was the mention
>>that arkansas at one time was referred to as "rackensack" could you
>>please give details to this referral?...