If you access http://www.dmp.wa.gov.au/ then go to GEOView -...

If you access http://www.dmp.wa.gov.au/ then go to GEOView - left side - 2nd in list.

Comes to GEOView ; Under Search Tools (2nd line 9 items) - go to Tenements by Holder

Enter in Northern Manganese

Then all the tenements will come up in same area. They have tenement numbers.

Then select Drillholes Search - 5th from left on same line as Tenements by Holder. The drill holes will then appear with older tenement boundaries.

But you should be able to zone into 1:100 scale - bottom left of screen.

Then can tell me where the 100 drill holes are in 100m2.