div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader030fdocumentsusreader030viewer2022020405575067fc1a28ab0f07ae0efehtml5page1jpg target=_blank img data-url=documentminimum-infiltration-rates-to-underground-of-rain-water-in-south-africahtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Minimum Infiltration-Rates to Underground of Rain water in South Africa loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsusreader030viewer2022020405575067fc1a28ab0f07ae0efehtml5thumbnails1jpg width=140 height=200 adivp© 1952 Nature Publishing Grouppdiv