. Genesis and development of sand formations on marine coasts. Beaches; Sand dunes; Plant ecology. Fig, 4. Temporarily stable dune near Bullenhof, Riga, Russia. The moving- sand of the lee- slope is in progress of being naturally arrested by grasses, (Koeleria glauca and Festuca ovina), herbs, (Artemisia campestris, Hieracium umbellatumf Pulsatilla pratensis and others), and by pines \Pinus sylvestris.) PHOTOGRAPH BT Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrat
. Genesis and development of sand formations on marine coasts. Beaches; Sand dunes; Plant ecology. Fig, 4. Temporarily stable dune near Bullenhof, Riga, Russia. The moving- sand of the lee- slope is in progress of being naturally arrested by grasses, (Koeleria glauca and Festuca ovina), herbs, (Artemisia campestris, Hieracium umbellatumf Pulsatilla pratensis and others), and by pines \Pinus sylvestris.) PHOTOGRAPH BT Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Olsson-Seffer, Pehr Hjalmar, 1873-1911. Rock Island, Ill. , Augustana Book Concern, Printers
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsanddun, bookyear1910
