EditorialLavon Heidemann, a NioCorp spokesman, shows the location of a mining site at Beverly Beethe?s property on a map, at the Frontier Cooperative in Elk Creek, Neb., on Dec. 8, 2022. (Arin Yoon/The New York Times)
EditorialAgriculture Department Grounds, District of Columbia, United States, Corythucha pergandei Heidemann, 1906, Animalia, Arthropoda, Insecta, Hemiptera, Heteroptera, Tingidae.
EditorialRock Creek Park, District of Columbia, United States, Leptostyla clitoriae Heidemann, Animalia, Arthropoda, Insecta, Hemiptera, Heteroptera, Tingidae.
EditorialRock Creek Park, District of Columbia, United States, Leptobyrsa explanata Heidemann, Animalia, Arthropoda, Insecta, Hemiptera, Heteroptera, Tingidae.
EditorialH. P, Heidemann, King William II, William II, 1792-1849, King of the Netherlands, painting, Gouache, Height, 4 cm (1.5 inch), Width, 3 cm (1.1 inch).