N'ụzọ na-adịghị mma, onyinye sitere n'aka ndị nwere olileanya maka nkwado ndị America na mgbalị France iji wuo ọwa Panama. Ọ nwere ike ịbụ na ọla kọpa ahụ sitere n'ọtụtụ ebe, a na-ekwukwa na ụfọdụ n'ime ya sitere na ebe a na-egwupụta ihe na Visnes, Norway, ọ bụ ezie na a chọpụtaghị nke a mgbe enyochachara ihe atụ. Dị ka Cara Sutherland si kwuo n'akwụkwọ ya na-eme kwa afọ banyere ihe oyiyi ahụ maka Museum of the City of New York, a chọrọ 200,000 pound (91,000 kg) iji wuo ihe oyiyi ahụ, na onye na-emepụta ọla kọpa nke French bụ Eugène Secrétan nyere 128,000 pound nke ọla kọpa.
New York, Boston, na Philadelphia