1. 1784.a.14(45) Reference (shelfmark): 1784.a.14(45) Title: The great heap — 2,000,000 tons guano — Chincha Islands. Photographer: Moulton, Henry Scope & Content: Genre: Industrial Photography General view of the great guano heap, with a collection of shacks and huts in the foreground. Collection Area: Printed Collections Languages: Not applicable Date Range: c 1863 Extent: 1 item