▁by ▁water f ow l ▁during ▁their ▁spring ▁and ▁fall ▁migration . ▁More ▁than ▁ 2 , 0 0 0 ▁water f ow l ▁at ▁one ▁time ▁have ▁been ▁sp otted ▁at ▁the ▁Green ▁P ond ▁I BA . ▁ ▁D 4 v - PA : ▁shore bird s ▁( > 1 0 0 ) ▁- ▁The ▁general ▁D 4 ▁design ation ▁describes ▁a ▁stop over ▁site ; ▁the ▁" v " ▁sub design ation ▁represents ▁use ▁by ▁shore bird s ▁during ▁their ▁spring ▁and ▁fall ▁migration . ▁More ▁than ▁ 1 0 0 ▁shore bird s ▁at ▁one ▁time ▁have ▁been ▁sp otted ▁at ▁the ▁Green ▁P ond ▁I BA . ▁ ▁So il ▁composition ▁ ▁A ▁portion ▁of ▁a ▁sketch ▁plan ▁created ▁by ▁the ▁engineering ▁firm ▁of ▁P enn oni ▁Associ ates ▁and ▁dated ▁July ▁ 7 , ▁ 2 0 1 4 ▁includes ▁a ▁box ▁summar izing ▁the ▁North am pton ▁County ▁soil ▁report ▁for ▁the ▁par cel . ▁A ▁summary ▁of ▁the ▁so ils ▁table ▁shown ▁on ▁the ▁P enn oni ▁sketch ▁plan ▁describes ▁the ▁par cel ▁as ▁having ▁four ▁types ▁of ▁soil : ▁ ▁Clark s burg ▁S ilt ▁Lo am ▁( Cl A ), ▁in ▁hydro logic ▁soil ▁group ▁" C " ▁ ▁Urban ▁land , ▁nearly ▁level ▁s lop es ▁( U r A ), ▁with ▁no ▁hydro logic ▁soil ▁group ▁ ▁Washington ▁S ilt ▁Lo am ▁( W a A ), ▁in ▁hydro logic ▁soil ▁group ▁B ▁ ▁Washington ▁S ilt ▁Lo am ▁( W