Mound of guano. View of the Great Heap - a huge 2,000,000 tonne heap of guano on the Chincha Islands,Peru. Guano is the excrement of birds or cave-dwelling bats. It is a highly effective manure and fertiliser. The Chincha Islands were of interest for their extensive guano deposits,but the supplies were mostly exhausted by 1874. Photographed in 1865 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / NEW YORK PUBLIC LIBRARY / Photography Collection, Miriam and Ira D. Wallach Division of Art, Prints and Photographs |
Bildgröße: | 4767 px × 3673 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |