David A. Johnston. David Alexander Johnston (December 18, 1949 â May 18, 1980) was an American USGS volcanologist who was killed during the 1980 eruption of Mount St. Helens in Washington.
.li is the Internet country code top-level domain (ccTLD) for Liechtenstein.The .li TLD was created in 1993. The domain is sponsored and administered by the University of Liechtenstein in Vaduz. Registration of .li domain names used to be managed by SWITCH, administrator of Switzerland 's .ch ccTLD.n Russian, -li is a verbal ending of past tense plural form. That is why some Russian-oriented sites use it as a part of the site name with the verbal stem before the dot. Emojli, a messaging app created by Tom Scott and Matt Gray, uses the domain emoj.li as its official webpage.
The Legibility Index (LI) is a numerical value representing the distance in. feet at which a sign may be read for every inch of capital letter height. For. example, a sign with a Legibility Index of 30 means that it should be. legible at 30 feet with one inch capital letters, or legible at 300 feet with ten.