1. 1784.a.14(38) Reference (shelfmark): 1784.a.14(38) Title: Strata of guano, Chincha Islands. Photographer: Moulton, Henry Scope & Content: Genre: Industrial Photography Close view of a section of the great guano heap, with two labourers working with pickaxes at the base. Collection Area: Printed Collections Languages: Not applicable Date Range: c 1863 Extent: 1 item