| "Pure Moods" singer | 29 |
| "Amarantine" singer | 29 |
| One-named Irish Grammy winner | 29 |
| Grammy-winning New Age singer | 29 |
| Grammy-winning Irish vocalist | 29 |
| "Watermark" warbler | 29 |
| "Amarantine" artist | 29 |
| "La Gioconda" tenor | 29 |
| Epoch of 50 million years ago | 29 |
| One billion years, in geology | 29 |
| A billion years, in astronomy | 29 |
| This is going to take a while | 29 |
| It might be divided into eras | 29 |
| It is a long, long, long time | 29 |
| A billion years, geologically | 29 |
| Memnon's mother, in Homer | 29 |
| Lover of Orion, in Greek myth | 29 |
| AuroraÂ’s Greek equivalent | 29 |
| Aurora's Greek equivalent | 29 |
| Red dye used in a biology lab | 29 |
| Org. concerned with PCB's | 29 |
| Environmental protection org. | 29 |
| Drinking-water tester (Abbr.) | 29 |
| Org. with a WasteWise program | 29 |
| Org. trying to clear the air? | 29 |
| Org. that monitors oil spills | 29 |
| Org. protecting air and water | 29 |
| Org. concerned with pollution | 29 |
| Org. concerned with emissions | 29 |
| Grp. concerned with pollution | 29 |
| Green org. with a floral logo | 29 |
| Gp. concerned about emissions | 29 |
| Government agcy. est. in 1970 | 29 |
| Environmental protection grp. | 29 |
| ENERGY STAR promoter, briefly | 29 |
| Emissions watchdog, for short | 29 |
| Clean Air Act enforcer: Abbr. | 29 |
| Air quality tester, for short | 29 |
| It makes for a pointless duel | 29 |
| The entire body is its target | 29 |
| Sport with lunges and thrusts | 29 |
| Modern pentathlete's need | 29 |
| Some Olympians' equipment | 29 |
| Weapons with push-button tips | 29 |
| They're sort of pointless | 29 |
| They'll keep you on guard | 29 |
| They have 35'' blades | 29 |
| Their points are made bluntly | 29 |
| Prefix with dermis or glottis | 29 |
| Prefix with calyx or thalamus | 29 |
| Film with a cast of thousands | 29 |
| Descriptive of a DeMille film | 29 |
| Many a sword-and-sandals film | 29 |
| Many a Cecil B. De Mille film | 29 |
| It might have a lot of extras | 29 |
| "The Odyssey", e.g. | 29 |
| "Ramayana," for one | 29 |
| They usually have many extras | 29 |
| Films with casts of thousands | 29 |
| Actor's last words (Var.) | 29 |
| "Light bulb" moment | 29 |
| 60 minutes of "CSI" | 29 |
| Ethelred the Unready, for one | 29 |
| Distinctive historical period | 29 |
| Distinctive period of history | 29 |
| Noteworthy periods of history | 29 |
| The Earl of Sandwich, for one | 29 |
| Euclid, vis-Ã -vis geometry | 29 |
| Collection of narrative poems | 29 |
| The travels of Odysseus, e.g. | 29 |
| The "Odyssey," e.g. | 29 |
| Poetry studied in Greek class | 29 |
| Collection of primitive poems | 29 |
| "Silas Marner" girl | 29 |
| Marner's adopted daughter | 29 |
| "Silas Marner" waif | 29 |
| "Alfie" actor, 2004 | 29 |
| Some dance records, for short | 29 |
| Pre-album releases, for short | 29 |
| Live iTunes recordings, often | 29 |
| Four song releases, typically | 29 |
| Symbol of electromotive force | 29 |
| Fifth star in a constellation | 29 |
| Type of salt used medicinally | 29 |
| ___ Downs (English racetrack) | 29 |
| __ salts (medicinal compound) | 29 |
| Big name in computer printers | 29 |
| Maker of PictureMate printers | 29 |
| One of Kotter's Sweathogs | 29 |
| Former manager of The Beatles | 29 |
| Brian who managed The Beatles | 29 |
| Brand with pluses and minuses | 29 |
| Prefix for lateral or distant | 29 |
| Prefix for distant or lateral | 29 |
| Prefix for lateral or librium | 29 |
| It may be used before librium | 29 |
| Like some veterinary practice | 29 |
| "Big Band," for one | 29 |
| History book chapter, perhaps | 29 |
| ___ of Good Feelings, 1817-25 | 29 |