They have also still much, much drill Potential left, "Major Footprint in One of Africa's Largest Underexlored Archean Greenstone Belts":
http://www.loncor.com/news-releases/2020/loncor-increases-mineral-resources-by-49-to-2.5-million-ounces-at-its-imbo-project-in-the-ngayu-greenstone-belt-d.r-congo/
http://www.loncor.com/site/assets/files/5644/2020-03-ln-cp.pdf
The "LAST" Frontier.
And THEY have it secured.
