The test dig also uncovered a "Shuiwaku Period" culture stratum of an even earlier date than Tamalin, as well as many late Qing dynasty porcelain shards (thought to be artifacts left by Pingpu aborigines during the Daoguang era of the Qing dynasty, 170 years ago).
試掘還發現了比大馬璘早期的「水蛙堀期」文化層，及數件清晚期的青花瓷，推測是距今一百七十年前清道光年間平埔族的遺物。