薄地 is read as うすじ (usuji) and means thin cloth.
うすじ
usuji
じうす
thin (fabric, cloth, paper)
うすい
thin
うすぐらい
dim
うすぎ
being lightly dressed
うすめる
to dilute
うすまる
to become weak
はくじゃく
feebleness
うすごおり
thin ice
すすき
Japanese pampas grass (Miscanthus sinensis)
うすらぐ
to become thin
うすれる
to fade
うすぎり
thin slice