gistfile1.txt

class ParkFeature < ActiveRecord::Base
  self.table_name = 'parks_features'

  belongs_to :park
  belongs_to :feature
end

class Feature < ActiveRecord::Base
  has_many :park_features
  has_many :parks, through: :park_features
end

class Park < ActiveRecord::Base
  has_many :campgrounds
  has_many :days
  belongs_to :state
  has_many :activities
  has_many :features
  has_many :campsites, through: :campgrounds
end