| 19 | 71 | |
| The Canada Geographic Information (CGIS) became fully operational. | ||
| 19 | 72 | |
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The first Landsat satellite launched (originally known as ERTS-1). | |
| IBM's GFIS launched. | ||
| General Information System for Planning (GISP) developed by the UK Department of the Environment. | ||
| 19 | 73 | |
| Maryland Automatic Geographic Information (MAGI), one of the first state-wide GIS projects. | ||
| The USGS began development of Geographical Information Retrieval and Analysis System (GIRAS) to management and analyse large land resources databases being created. | ||
| 19 | 74 | |
| The first AUTOCARTO conference held in September 1974, in Reston, Virginia. (Although the AUTOCARTO series really started the year before as the International Symposium on Computer-Assisted Cartography). | ||
| Experimental Cartography Unit (ECU) established at the Royal College of Art in London. | ||
| 19 | 76 | |
| Minnesota Land Management Information System (MLMIS), another significant state-wide GIS, began in 1976 as a research project at the Center for Urban and Regional Analysis, University of Minnesota. | ||
| 19 | 77 | |
| USGS developed the Digital Line Graph (DLG) spatial data format. | ||
| 19 | 78 | |
ERDAS founded. |
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| 19 | 79 | |
| The ODYSSEY GIS developed at the Harvard Lab. The first modern vector GIS. | ||