| Forever and a day, facetiously | 30 |
| A billion years, to geologists | 30 |
| 365 billion days, in astronomy | 30 |
| Billions and billions of years | 30 |
| Indefinitely long time periods | 30 |
| Aurora's Greek counterpart | 30 |
| Morning person of Greek legend | 30 |
| Superfund administrator: Abbr. | 30 |
| Org. with an acid rain hotline | 30 |
| Watchdog gp. proposed by Nixon | 30 |
| Watchdog agency's intitals | 30 |
| Org. with an Acid Rain Program | 30 |
| Org. that registers pesticides | 30 |
| Leavitt left it in 2005: Abbr. | 30 |
| Grp. overseeing toxic cleanups | 30 |
| Federal org. issuing standards | 30 |
| Fed. watchdog created by Nixon | 30 |
| Factory-emissions testing grp. | 30 |
| Environmental protection org. | 30 |
| Anti-Keystone XL pipeline org. | 30 |
| Center in a state's center | 30 |
| ___ Center, Orlando attraction | 30 |
| Modern pentathlete's sword | 30 |
| Sword with a bell-shaped guard | 30 |
| Sport without much of a point? | 30 |
| Weapon with a triangular blade | 30 |
| Sword with a bowl-shaped guard | 30 |
| Fencer's weapon, sometimes | 30 |
| There's little point to it | 30 |
| Sword evolving from the rapier | 30 |
| Summer Games sword competition | 30 |
| Sport with lunges and ripostes | 30 |
| Pointless Olympic competition? | 30 |
| It involves a wave of the hand | 30 |
| Heaviest of the Olympic swords | 30 |
| Heaviest modern fencing weapon | 30 |
| First weapon to be electrified | 30 |
| They're heavier than foils | 30 |
| They touch people's hearts | 30 |
| Sporting gear with bell guards | 30 |
| They're needed for fencing | 30 |
| Modern pentathletes' needs | 30 |
| It comes before cure or center | 30 |
| "Cleopatra," for one | 30 |
| Movie with a cast of thousands | 30 |
| "The Iliad," for one | 30 |
| Overused adjective, these days | 30 |
| Long and impressive, as a film | 30 |
| Like "Paradise Lost" | 30 |
| Computer animated film of 2013 | 30 |
| "Star Wars," for one | 30 |
| "Spartacus," for one | 30 |
| "Gilgamesh," for one | 30 |
| Any "Star Wars" film | 30 |
| Writing of St. Basil the Great | 30 |
| Part of a period, geologically | 30 |
| Pindar's last stanza, e.g. | 30 |
| -- Lederer, a.k.a. Ann Landers | 30 |
| Omar of "House M.D." | 30 |
| Omar of 'Resurrection' | 30 |
| Most bands' first releases | 30 |
| St. Paul's writings: Abbr. | 30 |
| Elasticity symbol in economics | 30 |
| Small quantity symbol, in math | 30 |
| ___ salts (foot-soaking stuff) | 30 |
| ___ salts (bathwater additive) | 30 |
| ___ Downs (English racecourse) | 30 |
| Home of the Derby and the Oaks | 30 |
| __ salts (drug-store purchase) | 30 |
| Maker of Stylus Photo printers | 30 |
| General manager of the Red Sox | 30 |
| Prefix with distant or lateral | 30 |
| Prefix for "distant" | 30 |
| Prefix with lateral or distant | 30 |
| Shaffer play about a stableboy | 30 |
| 1975 Tony winner for Best Play | 30 |
| Play about a boy and his horse | 30 |
| Procter & Gamble detergent | 30 |
| Stat that is better when lower | 30 |
| Word with "Big Band" | 30 |
| Stat. that's good when low | 30 |
| Period of literary style, e.g. | 30 |
| In baseball, a good one is low | 30 |
| Giving up a homer increases it | 30 |
| An earlier one may be recalled | 30 |
| Significant periods of history | 30 |
| Distinctive historical periods | 30 |
| Mesozoic and Cenozoic, for two | 30 |
| Distinctive periods of history | 30 |
| Big Band and Prohibition, e.g. | 30 |
| The Roosevelt years and others | 30 |
| Mohammedan and Christian, e.g. | 30 |
| Interesting historical periods | 30 |
| Cy Young candidates' stats | 30 |
| Use the backspace key, perhaps | 30 |
| What you do when a take is bad | 30 |
| Use the soft end of the pencil | 30 |
| Render blank, as a floppy disk | 30 |
| Remove evidence of fallibility | 30 |
| Deleted All That Remains song? | 30 |