OLDIE CROSSWORD 282

[anikomo]

Would appreciate help with final clues.
27a. Mate drone follows around.(4) I have ???M
33a. Compact period of casual interest.(8) I have ???I?N??
30d. Exploit river delta.(4) I have D???

[quinie]

30d Dee-d?

[furrypusscat]

27a chum (hum drone sound) ?

[quinie]

33a alliance?

[furrypusscat]

30d. deed (River Dee plus D)

[cathfromsaron]

daliance

[quinie]

That's a better answer,cathfromsaron.I thought it had two l's!!

[anikomo]

Thank you all for your invaluable help.

[Flyhalf]

Alliance fits better.
Alliance is a compact or treaty between thos with a common interest.
Dalliance shortened by one letter (therefore compact in the sense of squeezed) is also alliance.