The Storm-blackened Pine Mystery Cache

Across

4

A plane figure with nine straight sides

6

A spool of hemp or cotton

8

Earth mopes after increase in greenhouse gases

9

Simulacrum

10

One of Dahl's idiots

15

Foreign drums found in Lisbon government

18

Craft assisted by ghosts

20

The best part of geocaching

21

Long for -ton

22

The third in order of operations

Down

1

Until proven guilty

2

Gone by plane

3

A line of imposing ships

5

To express disapproval

7

Many cure to lack in mathematical skill

11

A medicine made by dissolving a drug in alcohol

12

A thick cluster of vertical objects

13

Ruled by a butterfly

14

The most delicious street

16

It's about time

17

in van dalias are delivered to defaced monument

18

This fey creature will lead you astray

19

Goes off during a fire