81. Oranopai (6.07N, 59.92W) Cuyuni-Mazaruni, Populated Place 82. Orariparu Creek (6.37N, 59.93W) Cuyuni-Mazaruni, Stream 83. Orariparu River (6.37N, 59.93W) Cuyuni-Mazaruni, Stream 84. Ordnance Fort Lands (6.28N, 57.5W) East Berbice-Corentyne, Estate(s) 85. Oreala (5.32N, 57.33W) East Berbice-Corentyne, Populated Place 86. Orealla (5.32N, 57.33W) East Berbice-Corentyne, Populated Place 87. Orealla Amerindian District (5.3N, 57.32W) East Berbice-Corentyne, Reserve 88. Orealla Amerindian Reservation (5.3N, 57.32W) East Berbice-Corentyne, Reserve 89. Orealla Cliffs (5.32N, 57.33W) East Berbice-Corentyne, Cliff(s) 90. Orealla Creek (5.33N, 57.33W) East Berbice-Corentyne, Stream 91. Orealla Mission (5.32N, 57.33W) East Berbice-Corentyne, Populated Place 92. Orealla River (5.33N, 57.33W) East Berbice-Corentyne, Stream 93. Oribaio Creek (6.15N, 58.25W) Demerara-Mahaica, Stream 94. Orindouk (4.72N, 60.02W) , Waterfall(s) 95. Orindouk Fall (4.72N, 60.02W) , Waterfall(s) 96. Orindui Fall (4.72N, 60.02W) , Waterfall(s) 97. Orinduik (4.7N, 60.02W) Potaro-Siparuni, Populated Place 98. Orinduik (4.72N, 60.02W) , Waterfall(s) 99. Orinduik Fall (4.72N, 60.02W) , Waterfall(s) 100. Orinduik Falls (4.72N, 60.02W) , Waterfall(s) 101. Oring Creek (5.23N, 58.6W) Upper Demerara-Berbice, Stream 102. Oring River (5.23N, 58.6W) Upper Demerara-Berbice, Stream 103. Ormsary (6.6N, 57.8W) Mahaica-Berbice, Estate(s) 104. Ornik (7.75N, 59.87W) Barima-Waini, Stream 105. Orokang River (5.57N, 60.15W) Cuyuni-Mazaruni, Stream 106. Oronoque Camp (2.75N, 57.43W) East Berbice-Corentyne, Locality 107. Oronoque Fall (2.77N, 57.42W) East Berbice-Corentyne, Waterfall(s) 108. Oronoque Falls (2.77N, 57.42W) East Berbice-Corentyne, Waterfall(s) 109. Oronoque River (2.75N, 57.42W) East Berbice-Corentyne, Stream 110. Oronoque Val (2.77N, 57.42W) East Berbice-Corentyne, Waterfall(s) 111. Oronoqueballi (6.4N, 58.03W) Mahaica-Berbice, Estate(s) 112. Ororo Malali (5.32N, 58.52W) Upper Demerara-Berbice, Waterfall(s) 113. Ororo Marali (5.32N, 58.52W) Upper Demerara-Berbice, Waterfall(s) 114. Ororokabra Creek (5.28N, 58.55W) Upper Demerara-Berbice, Stream 115. Ororuni (7.62N, 59.67W) Barima-Waini, Stream 116. Orowang River (5.47N, 60.23W) Cuyuni-Mazaruni, Stream 117. Orubie River (5.28N, 59.37W) Potaro-Siparuni, Stream 118. Orupie (5.28N, 59.37W) Potaro-Siparuni, Stream 119. Oruro-Marali Fall (5.32N, 58.52W) Upper Demerara-Berbice, Waterfall(s) 120. Osak River (5.58N, 60.68W) Cuyuni-Mazaruni, Stream | 121. Oshipau (2.28N, 59.78W) , Waterfall(s) 122. Ostend (6.78N, 58.28W) Essequibo Islands-West Demerara, Estate(s) 123. Osterbeck (5.67N, 57.8W) Upper Demerara-Berbice, Estate(s) 124. Osterbeck (6.9N, 58.45W) Essequibo Islands-West Demerara, Estate(s) 125. Osterleck (5.67N, 57.8W) Upper Demerara-Berbice, Estate(s) 126. Ostermeer (5.8N, 57.72W) Upper Demerara-Berbice, Estate(s) 127. Otomung Fall (6.82N, 60.12W) Cuyuni-Mazaruni, Waterfall(s) 128. Otomung Mountain (4.45N, 59.53W) Upper Takutu-Upper Essequibo, Mountain 129. Otomung River (6.77N, 60.17W) Cuyuni-Mazaruni, Stream 130. Otomung River (6.82N, 60.1W) Cuyuni-Mazaruni, Stream 131. Otorukukabu Creek (5.73N, 57.88W) Upper Demerara-Berbice, Stream 132. Otupikai Rapids (6.75N, 59.3W) Cuyuni-Mazaruni, Rapids 133. Ourabaru (7.32N, 59.58W) Barima-Waini, Stream 134. Ourabaru Creek (7.32N, 59.58W) Barima-Waini, Stream 135. Ouranabaru Creek (7.65N, 60.13W) Barima-Waini, Stream 136. Overwinning (6.22N, 57.52W) East Berbice-Corentyne, Sugar Plantation 137. Owauliming River (4.6N, 59.3W) Upper Demerara-Berbice, Stream 138. Oweang River (5.57N, 60.15W) Cuyuni-Mazaruni, Stream 139. Oweanna Creek (6.55N, 58.62W) Essequibo Islands-West Demerara, Stream 140. Oweanna River (6.55N, 58.62W) Essequibo Islands-West Demerara, Stream 141. Owenteik (4.45N, 59.58W) Potaro-Siparuni, Populated Place 142. Oxipau (2.28N, 59.78W) , Waterfall(s) 143. Oyaparu Creek (6.17N, 58.87W) Cuyuni-Mazaruni, Stream 144. Oyaparu River (6.17N, 58.87W) Cuyuni-Mazaruni, Stream |