| Man-made lake formers | 21 |
| Lake creators | 13 |
| Hydroelectricity sources | 24 |
| Hydroelectric structures | 24 |
| Hydroelectric power projects | 28 |
| Hungry Horse and Mossyrock | 26 |
| Hungry Horse and Hoover | 23 |
| Hoover, etc. | 12 |
| Hoover et al. | 13 |
| Hoover and Roosevelt, e.g. | 26 |
| Hoover and Boulder, e.g. | 24 |
| Hoover and Ataturk | 18 |
| Glen Canyon and Grand Coulee, e.g. | 34 |
| Glen Canyon and Grand Coulee | 28 |
| Four-footed parents | 19 |
| Four-footed moms | 16 |
| Flood controls | 14 |
| Fish ladder locales | 19 |
| Emulates beavers | 16 |
| Don Pedro and Yellowtail | 24 |
| Creek constrictors | 18 |
| Creek blockers | 14 |
| Creek blocker | 13 |
| Coulee and Boulder | 18 |
| Cougar and Oroville | 19 |
| Coolidge and Hoover | 19 |
| Bureau of Reclamation projects | 30 |
| Broodmares, e.g. | 16 |
| Broodmares | 10 |
| Boulder and Aswan | 17 |
| Bottles up | 10 |
| Blocks (up) | 11 |
| Blockades, of a sort | 20 |
| Beavers' works | 18 |
| Beavers' structures | 23 |
| Beavers' projects | 21 |
| Beavers' constructs | 23 |
| Beavers' barriers | 21 |
| Beavers build them | 18 |
| Beaver-built blockages | 22 |
| Beaver-built barriers | 21 |
| Beaver products | 15 |
| Aswan and Kariba | 16 |
| Aswan and Hoover, e.g. | 22 |
| Maiden | 6 |
| Young woman | 11 |
| Young maiden | 12 |
| Chivalry beneficiary | 20 |
| Victim of melodrama | 19 |
| She may be in distress | 22 |
| One in distress, maybe | 22 |
| Fair maiden | 11 |
| Distressed one? | 15 |
| Woman in distress? | 18 |
| Woman hoping for a knight in shining armor | 42 |
| One in distress? | 16 |
| One in distress | 15 |
| Fair one in fairy tales | 23 |
| Silent-movie heroine "in distress" | 44 |
| She's sometimes in distress? | 32 |
| Rescuee, in fairy tales | 23 |
| Rapunzel, e.g. | 14 |
| Producer of a distress call? | 28 |
| One often in distress | 21 |
| One oft in distress | 19 |
| Oft-distressed one | 18 |
| Noble woman of old | 18 |
| Melodrama stock character | 25 |
| Melodrama heroine | 17 |
| Maiden, in old literature | 25 |
| Maiden of yore | 14 |
| Maiden in distress? | 19 |
| Knight's rescuee | 20 |
| Interest of a knight in shining armor | 37 |
| Girl, to a poet | 15 |
| Feudal femme, depicted in distress | 34 |
| Fairy tale girl, often | 22 |
| Distressed woman? | 17 |
| Distressed one | 14 |
| Distressed lass? | 16 |
| Distressed girl? | 16 |
| Distressed gal? | 15 |
| Lasses | 6 |
| Young ladies | 12 |
| They might be in distress | 25 |
| Fairy-tale stock characters | 27 |
| Distressed women? | 17 |
| People oft in distress | 22 |
| Ones often in distress, in fairy tales | 38 |
| Ones often in distress | 22 |
| Ones in distress, stereotypically | 33 |
| Noble women originally | 23 |
| Melodrama victims | 17 |
| Fairy-tale maidens | 18 |
| Fairy-tale femmes | 17 |
| Distressed ones? | 16 |
| Distressed heroines | 19 |
| Stop the flow of | 16 |
| Block, as a stream | 18 |
| Block, as a river | 17 |