Complete Clue List
Across
1. (and 6 across) Boundary formed in 18th century between Pennsylvania and Maryland (5-5,4)
6. See 1 across (4)
10. Tall military dress hat with a flat top and a plume (5)
11. The killing of large numbers of people, especially by fire (9)
12. The action of setting something on fire (8)
13. An internal-combustion engine for propelling a vehicle (5)
15. A male worker for a train company (7)
17. 1981 studio album by rock band U2 (7)
19. Salt lake below sea level, at the mouth of the Jordan River (4,3)
21. 1989 American black comedy film starring Randy Quaid and Mary Beth Hurt (7)
22. Rosalind's cousin in Shakespeare's 'As You Like It' (5)
24. Son of Zeus condemned to stand in water that receded when he tried to drink (8)
27. Celine Dion album released in 1987 (9)
28. Francis William ___ , winner of The Nobel Prize for Chemistry 1922
29. (and 30 across) Written directions on letters or packages (4,3,7)
30. See 29 across (3,7)
Down
1. (and 14 down) Manufacture of goods in large quantities (4,10)
2. Imaginary land in the novel 'Lost Horizon' by James Hilton (7-2)
3. The mother-in-law of Ruth in the bible (5)
4. Traditional motto of the Prince of Wales (3,4)
5. Birthplace of American actor Wesley Snipes (7)
7. Peoples of Arctic Canada, Alaska and Greenland (5)
8. (and 26 down) British company managing several thousand pubs, with headquarters in Solihull (10,4)
9. A curved Asian sword (8)
14. See 1 down (10)
16. Small wild horses of the North American plains (8)
18. A long upholstered bench (9)
20. Winged insect resembling a dragonfly (7 or 3,4)
21. In Greek Mythology, she opened a box and released all the evils of human life (7)
23. Temporary replacement for a doctor who is ill or on holiday (5)
25. Bestow an honor upon (5)
26. See 8 down (4)