| 100% | MUSK | 4 | Oxen the US Fish and Wildlife Service brought to Alaska's Nunivak Island in 1935 |
| 31% | IWOJIMA | 7 | Island in the Pacific also known as Iwo To; scene of prolonged fighting between Japan and the US in World War II |
| 30% | STEN | 4 | Russian born actress Anna ___, brought to the US by Sam Goldwyn and who starred with Gary Cooper in "The Wedding Night" |
| 30% | SCI | 3 | US org. founded in '73 whose stated mission is to "protect the freedom to hunt and to promote wildlife conservation" (abbr.) |
| 29% | NEAR | 4 | Alaska's ___ Islands, which are technically and ironically quite far away in the Eastern Hemisphere |
| 29% | FLYLIKEANEAGLE | 14 | What the U.S. Postal Service used to do (ending in a two under) |
| 29% | LINCOLN | 7 | Abraham ___, 16th President of the U.S.A. and the first to sport a beard in office |
| 29% | HARRISON | 8 | Benjamin ___, 23rd President of the U.S.A. and the fifth to sport a beard in office |
| 28% | JAMES | 5 | ___ A. Garfield, 20th President of the U.S.A. and the fourth to sport a beard in office |
| 28% | RIDESHARING | 11 | Service offered by 18-Down, and what's happening in the answers to the starred clues |
| 28% | EASTERNCOUGAR | 13 | A subspecies of puma from North America which was formally declared extinct by the U.S. Fish and Wildlife Service in 2018: 2 wds. |
| 28% | BENCRENSHAH | 11 | US Masters Champion ('84 and '95) who's considered to be golf royalty in the middle east? |
| 27% | MIKEKRZYZEWSKI | 14 | Duke University basketball coach who led the US men's basketball team to Olympic gold in 2008, 2012, and 2016: 2 wds. |
| 27% | OREGON | 6 | Home to the deepest lake and river gorge in the U.S. |
| 27% | OAS | 3 | The U.S. and Can. are in it |
| 27% | CALI | 4 | Only place in the U.S. to host both the Summer and Winter Olympics, informally |
| 27% | KEY | 3 | ___ West, island in Florida that is home to the Harry S. Truman Little White House |
| 26% | PATGARRETT | 10 | US bartender and lawman reputed to have killed outlaw Billy the Kid in 1881 |
| 26% | ATWAR | 5 | Like the U.S. and Spain in 1898 |
| 26% | GUAM | 4 | Pacific island ceded by Spain to the U.S. in 1899 |
| 26% | GUAM | 4 | U.S. territory in the Mariana Islands |
| 25% | FLOUNDER | 8 | Blue fish and Ariel's friend in The Little Mermaid |
| 25% | UNITED | 6 | What the U.S. and U.K. have in common? |
| 25% | GRANT | 5 | Ulysses S. ___, 18th President of the U.S.A. and the second to sport a beard in office |
| 25% | GUAM | 4 | U.S. island territory in the Western Pacific |
| 25% | LSAT | 4 | US joint service program initiated in 2004 aimed at reducing the weight of weaponry and ammunition (abbr.) |
| 25% | NADENE | 6 | Group of North American languages spoken in parts of Alaska, Canada and the southern US |
| 25% | REBECCA | 7 | * ___ Pearson, mother to Kevin, Kate, and Randall in the 2010s TV series "This Is Us" |
| 25% | MILAZZO | 7 | City in Messina, Sicily; a departure point for ferries to the Aeolian Islands and Naples |
| 25% | ATTU | 4 | The Battle of ___, a famed battle between U.S and Japanese forces in Alaska |