ana ▁style ▁found ▁in ▁Illinois ▁had ▁a ▁decor ated ▁neck . ▁One ▁of ▁the ▁major ▁tools ▁unique ▁to ▁this ▁era ▁was ▁S ny ders ▁Point s . ▁These ▁were ▁quite ▁large ▁and ▁corner - not ched . ▁They ▁were ▁made ▁by ▁soft - ham mer ing ▁per cussion , ▁and ▁finished ▁by ▁pressure ▁fla king . ▁ ▁Although ▁many ▁of ▁the ▁Middle ▁Wood land ▁cult ures ▁are ▁called ▁" H ope w elli an ", ▁and ▁groups ▁shared ▁cer emon ial ▁practices , ▁ar che olog ists ▁have ▁identified ▁the ▁development ▁of ▁distinct ly ▁separate ▁cult ures ▁during ▁the ▁Middle ▁Wood land ▁period . ▁Ex amples ▁include ▁the ▁Arm strong ▁culture , ▁Cop ena ▁culture , ▁C rab ▁Or ch ard ▁culture , ▁Four che ▁Mal ine ▁culture , ▁the ▁Good all ▁F ocus , ▁the ▁Hav ana ▁Hope well ▁culture , ▁the ▁Kansas ▁City ▁Hope well , ▁the ▁Mark sv ille ▁culture , ▁and ▁the ▁Swift ▁Creek ▁culture . ▁ ▁The ▁Center ▁for ▁American ▁Ar che ology ▁special izes ▁in ▁Middle ▁Wood land ▁culture . ▁ ▁Late ▁Wood land ▁period ▁( 5 0 0 – 1 0 0 0 ▁CE ) ▁The ▁late ▁Wood land ▁period ▁was ▁a ▁time ▁of ▁apparent ▁population ▁dispers al , ▁although ▁populations ▁do ▁not ▁appear ▁to ▁have ▁decre ased . ▁In ▁most ▁areas ▁construction ▁of ▁bur ial ▁m ounds ▁decre ased ▁dr ast ically , ▁as ▁well ▁as ▁long - distance ▁trade ▁in ▁ex otic ▁materials . ▁At ▁the ▁same ▁time , ▁bow ▁and ▁arrow ▁technology ▁gradually