SAND DRIFT PROBLEM OF ARID NEW SOUTH WALES. 143 
the probable effect of such encroachment, if any, upon the 
rest of the State is likely to be. 
A vast amount of valuable information with regard to 
the western sands may be obtained from the Report of the 
Royal Commission, appointed 11th August, 1900, to inquire 
into the condition of the Crown Tenants in the Western 
Division of New South Wales. The author, who was 
President of the Commission referred to, had exceptional 
opportunities for making himself familiar with the subject 
under consideration. 
Analyses of samples of soil obtained by Mr. Mullen from 
Cuttaburra Creek sandhills, County Landsborough, west of 
the river Darling in New South Wales :— 
A—Surface soil supporting vegetation, (Yarran and other 
trees). 
B—Hardpan or subsoil remaining after surface soil has 
been blown away. 
C—Drifting sand. 
A B C 
Moisture ale va O7088 0°687 0°474. 
Volatile and organic matter 2°750 2°370 0°90 
Nitrogen ot ne ... 0°043 0°025 0°014 
Soluble in Hydrochloric Acid. 
Rilo (re oa aye 1°280 1°333 0°560 
Alumina (Al,0O;)_... ee ole _ 1622 1°030 
Lime (CaO) ... ae a OU °212 "156 
Potash (K.O) fe Sear LAS "145 "100 
Phosphoric acid (P.O;) ...  °060 048 047 
EXTRACTS FROM Mr. A. W. MULLEN’S REPORT, W.L.B. 6771 
(Dated 30th July, 1903.) 
Referring to the country from west of the Paroo River 
eastwards to the Darling River, extending about 100 miles 
south from the Queensland border, Mr. Mullen, says :— 
