Dr._Michener_discusses_how_vegetation_diversity_is_influenced_by_differences_in_glacially_derived_soils.jpg Jeovanna_enjoys_the_cool_breeze_after_a_day_of_soil_testing.jpg Julie__TA_Ed__Aderonke__and_Kevin_enjoy_a_rest_after_spending_the_afternoon_analyzing_soil_types_around_the_Arboretum.jpg