![6 Bifacial tools from open air site at Il'skaya 1. (Sources: [1-5],... | Download Scientific Diagram 6 Bifacial tools from open air site at Il'skaya 1. (Sources: [1-5],... | Download Scientific Diagram](https://www.researchgate.net/publication/260361446/figure/fig10/AS:639873266495489@1529569083351/Bifacial-tools-from-open-air-site-at-Ilskaya-1-Sources-1-5-Zamiatnin-1961-6-12.png)
6 Bifacial tools from open air site at Il'skaya 1. (Sources: [1-5],... | Download Scientific Diagram
![Biface, Acheulean, 700,000200,000 B.C., Acheulean, Quartzite, H. 9 1/2 in. ( 24 cm); W. 5 5/16 in. (13.1 cm); D. 1 1/16 in. (2.7 cm); Wt. 1 lb. 13 oz. (833 g), Tools. - Album alb4917458 Biface, Acheulean, 700,000200,000 B.C., Acheulean, Quartzite, H. 9 1/2 in. ( 24 cm); W. 5 5/16 in. (13.1 cm); D. 1 1/16 in. (2.7 cm); Wt. 1 lb. 13 oz. (833 g), Tools. - Album alb4917458](https://www.album-online.com/photos/prev/ZmI3YzI1MA/album_alb4917458.jpg)
Biface, Acheulean, 700,000200,000 B.C., Acheulean, Quartzite, H. 9 1/2 in. ( 24 cm); W. 5 5/16 in. (13.1 cm); D. 1 1/16 in. (2.7 cm); Wt. 1 lb. 13 oz. (833 g), Tools. - Album alb4917458
![The assemblages with bifacial tools in Eurasia (first part). What is going on in the West? Data on western and southern Europe and the Levant - ScienceDirect The assemblages with bifacial tools in Eurasia (first part). What is going on in the West? Data on western and southern Europe and the Levant - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S1631068315002109-gr7.jpg)